221145756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{5231}}^1$

素因数の和:5522

約数の個数: 48

約数和(自身を含む): 557856768

約数和(自身を除く): 336711012

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 271, 542, 813, 1084, 1626, 3252, 3523, 5231, 7046, 10462, 10569, 14092, 15693, 20924, 21138, 31386, 42276, 62772, 68003, 136006, 204009, 272012, 408018, 816036, 1417601, 2835202, 4252803, 5670404, 8505606, 17011212, 18428813, 36857626, 55286439, 73715252, 110572878, 221145756]

約数ペア:

[(1, 221145756), (2, 110572878), (3, 73715252), (4, 55286439), (6, 36857626), (12, 18428813), (13, 17011212), (26, 8505606), (39, 5670404), (52, 4252803), (78, 2835202), (156, 1417601), (271, 816036), (542, 408018), (813, 272012), (1084, 204009), (1626, 136006), (3252, 68003), (3523, 62772), (5231, 42276), (7046, 31386), (10462, 21138), (10569, 20924), (14092, 15693)]