28104216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 80974080

約数和(自身を除く): 52869864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 917, 1048, 1277, 1572, 1834, 2554, 2751, 3144, 3668, 3831, 5108, 5502, 7336, 7662, 8939, 10216, 11004, 15324, 17878, 22008, 26817, 30648, 35756, 53634, 71512, 107268, 167287, 214536, 334574, 501861, 669148, 1003722, 1171009, 1338296, 2007444, 2342018, 3513027, 4014888, 4684036, 7026054, 9368072, 14052108, 28104216]

約数ペア:

[(1, 28104216), (2, 14052108), (3, 9368072), (4, 7026054), (6, 4684036), (7, 4014888), (8, 3513027), (12, 2342018), (14, 2007444), (21, 1338296), (24, 1171009), (28, 1003722), (42, 669148), (56, 501861), (84, 334574), (131, 214536), (168, 167287), (262, 107268), (393, 71512), (524, 53634), (786, 35756), (917, 30648), (1048, 26817), (1277, 22008), (1572, 17878), (1834, 15324), (2554, 11004), (2751, 10216), (3144, 8939), (3668, 7662), (3831, 7336), (5108, 5502)]