281004672

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:522

約数の個数: 128

約数和(自身を含む): 810875520

約数和(自身を除く): 529870848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 181, 192, 208, 311, 312, 362, 384, 416, 543, 622, 624, 724, 832, 933, 1086, 1244, 1248, 1448, 1664, 1866, 2172, 2353, 2488, 2496, 2896, 3732, 4043, 4344, 4706, 4976, 4992, 5792, 7059, 7464, 8086, 8688, 9412, 9952, 11584, 12129, 14118, 14928, 16172, 17376, 18824, 19904, 23168, 24258, 28236, 29856, 32344, 34752, 37648, 39808, 48516, 56291, 56472, 59712, 64688, 69504, 75296, 97032, 112582, 112944, 119424, 129376, 150592, 168873, 194064, 225164, 225888, 258752, 301184, 337746, 388128, 450328, 451776, 517504, 675492, 731783, 776256, 900656, 903552, 1350984, 1463566, 1552512, 1801312, 2195349, 2701968, 2927132, 3602624, 4390698, 5403936, 5854264, 7205248, 8781396, 10807872, 11708528, 17562792, 21615744, 23417056, 35125584, 46834112, 70251168, 93668224, 140502336, 281004672]

約数ペア:

[(1, 281004672), (2, 140502336), (3, 93668224), (4, 70251168), (6, 46834112), (8, 35125584), (12, 23417056), (13, 21615744), (16, 17562792), (24, 11708528), (26, 10807872), (32, 8781396), (39, 7205248), (48, 5854264), (52, 5403936), (64, 4390698), (78, 3602624), (96, 2927132), (104, 2701968), (128, 2195349), (156, 1801312), (181, 1552512), (192, 1463566), (208, 1350984), (311, 903552), (312, 900656), (362, 776256), (384, 731783), (416, 675492), (543, 517504), (622, 451776), (624, 450328), (724, 388128), (832, 337746), (933, 301184), (1086, 258752), (1244, 225888), (1248, 225164), (1448, 194064), (1664, 168873), (1866, 150592), (2172, 129376), (2353, 119424), (2488, 112944), (2496, 112582), (2896, 97032), (3732, 75296), (4043, 69504), (4344, 64688), (4706, 59712), (4976, 56472), (4992, 56291), (5792, 48516), (7059, 39808), (7464, 37648), (8086, 34752), (8688, 32344), (9412, 29856), (9952, 28236), (11584, 24258), (12129, 23168), (14118, 19904), (14928, 18824), (16172, 17376)]