217311588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{24439}}^1$

素因数の和:24481

約数の個数: 72

約数和(自身を含む): 622731200

約数和(自身を除く): 405419612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 24439, 48878, 73317, 97756, 146634, 219951, 293268, 317707, 439902, 464341, 635414, 879804, 928682, 953121, 1270828, 1393023, 1857364, 1906242, 2786046, 2859363, 3812484, 4179069, 5572092, 5718726, 6036433, 8358138, 11437452, 12072866, 16716276, 18109299, 24145732, 36218598, 54327897, 72437196, 108655794, 217311588]

約数ペア:

[(1, 217311588), (2, 108655794), (3, 72437196), (4, 54327897), (6, 36218598), (9, 24145732), (12, 18109299), (13, 16716276), (18, 12072866), (19, 11437452), (26, 8358138), (36, 6036433), (38, 5718726), (39, 5572092), (52, 4179069), (57, 3812484), (76, 2859363), (78, 2786046), (114, 1906242), (117, 1857364), (156, 1393023), (171, 1270828), (228, 953121), (234, 928682), (247, 879804), (342, 635414), (468, 464341), (494, 439902), (684, 317707), (741, 293268), (988, 219951), (1482, 146634), (2223, 97756), (2964, 73317), (4446, 48878), (8892, 24439)]