221531856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1237}}^1$

素因数の和:1309

約数の個数: 160

約数和(自身を含む): 722120448

約数和(自身を除く): 500588592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 41, 42, 48, 52, 56, 78, 82, 84, 91, 104, 112, 123, 156, 164, 168, 182, 208, 246, 273, 287, 312, 328, 336, 364, 492, 533, 546, 574, 624, 656, 728, 861, 984, 1066, 1092, 1148, 1237, 1456, 1599, 1722, 1968, 2132, 2184, 2296, 2474, 3198, 3444, 3711, 3731, 4264, 4368, 4592, 4948, 6396, 6888, 7422, 7462, 8528, 8659, 9896, 11193, 12792, 13776, 14844, 14924, 16081, 17318, 19792, 22386, 25584, 25977, 29688, 29848, 32162, 34636, 44772, 48243, 50717, 51954, 59376, 59696, 64324, 69272, 89544, 96486, 101434, 103908, 112567, 128648, 138544, 152151, 179088, 192972, 202868, 207816, 225134, 257296, 304302, 337701, 355019, 385944, 405736, 415632, 450268, 608604, 659321, 675402, 710038, 771888, 811472, 900536, 1065057, 1217208, 1318642, 1350804, 1420076, 1801072, 1977963, 2130114, 2434416, 2637284, 2701608, 2840152, 3955926, 4260228, 4615247, 5274568, 5403216, 5680304, 7911852, 8520456, 9230494, 10549136, 13845741, 15823704, 17040912, 18460988, 27691482, 31647408, 36921976, 55382964, 73843952, 110765928, 221531856]

約数ペア:

[(1, 221531856), (2, 110765928), (3, 73843952), (4, 55382964), (6, 36921976), (7, 31647408), (8, 27691482), (12, 18460988), (13, 17040912), (14, 15823704), (16, 13845741), (21, 10549136), (24, 9230494), (26, 8520456), (28, 7911852), (39, 5680304), (41, 5403216), (42, 5274568), (48, 4615247), (52, 4260228), (56, 3955926), (78, 2840152), (82, 2701608), (84, 2637284), (91, 2434416), (104, 2130114), (112, 1977963), (123, 1801072), (156, 1420076), (164, 1350804), (168, 1318642), (182, 1217208), (208, 1065057), (246, 900536), (273, 811472), (287, 771888), (312, 710038), (328, 675402), (336, 659321), (364, 608604), (492, 450268), (533, 415632), (546, 405736), (574, 385944), (624, 355019), (656, 337701), (728, 304302), (861, 257296), (984, 225134), (1066, 207816), (1092, 202868), (1148, 192972), (1237, 179088), (1456, 152151), (1599, 138544), (1722, 128648), (1968, 112567), (2132, 103908), (2184, 101434), (2296, 96486), (2474, 89544), (3198, 69272), (3444, 64324), (3711, 59696), (3731, 59376), (4264, 51954), (4368, 50717), (4592, 48243), (4948, 44772), (6396, 34636), (6888, 32162), (7422, 29848), (7462, 29688), (8528, 25977), (8659, 25584), (9896, 22386), (11193, 19792), (12792, 17318), (13776, 16081), (14844, 14924)]