28208712

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 88194960

約数和(自身を除く): 59986248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 83, 84, 98, 102, 119, 136, 147, 166, 168, 196, 204, 238, 249, 289, 294, 332, 357, 392, 408, 476, 498, 578, 581, 588, 664, 714, 833, 867, 952, 996, 1156, 1162, 1176, 1411, 1428, 1666, 1734, 1743, 1992, 2023, 2312, 2324, 2499, 2822, 2856, 3332, 3468, 3486, 4046, 4067, 4233, 4648, 4998, 5644, 6069, 6664, 6936, 6972, 8092, 8134, 8466, 9877, 9996, 11288, 12138, 12201, 13944, 14161, 16184, 16268, 16932, 19754, 19992, 23987, 24276, 24402, 28322, 29631, 32536, 33864, 39508, 42483, 47974, 48552, 48804, 56644, 59262, 69139, 71961, 79016, 84966, 95948, 97608, 113288, 118524, 138278, 143922, 167909, 169932, 191896, 207417, 237048, 276556, 287844, 335818, 339864, 414834, 503727, 553112, 575688, 671636, 829668, 1007454, 1175363, 1343272, 1659336, 2014908, 2350726, 3526089, 4029816, 4701452, 7052178, 9402904, 14104356, 28208712]

約数ペア:

[(1, 28208712), (2, 14104356), (3, 9402904), (4, 7052178), (6, 4701452), (7, 4029816), (8, 3526089), (12, 2350726), (14, 2014908), (17, 1659336), (21, 1343272), (24, 1175363), (28, 1007454), (34, 829668), (42, 671636), (49, 575688), (51, 553112), (56, 503727), (68, 414834), (83, 339864), (84, 335818), (98, 287844), (102, 276556), (119, 237048), (136, 207417), (147, 191896), (166, 169932), (168, 167909), (196, 143922), (204, 138278), (238, 118524), (249, 113288), (289, 97608), (294, 95948), (332, 84966), (357, 79016), (392, 71961), (408, 69139), (476, 59262), (498, 56644), (578, 48804), (581, 48552), (588, 47974), (664, 42483), (714, 39508), (833, 33864), (867, 32536), (952, 29631), (996, 28322), (1156, 24402), (1162, 24276), (1176, 23987), (1411, 19992), (1428, 19754), (1666, 16932), (1734, 16268), (1743, 16184), (1992, 14161), (2023, 13944), (2312, 12201), (2324, 12138), (2499, 11288), (2822, 9996), (2856, 9877), (3332, 8466), (3468, 8134), (3486, 8092), (4046, 6972), (4067, 6936), (4233, 6664), (4648, 6069), (4998, 5644)]