215048964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1378519}}^1$

素因数の和:1378539

約数の個数: 24

約数和(自身を含む): 540379840

約数和(自身を除く): 325330876

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1378519, 2757038, 4135557, 5514076, 8271114, 16542228, 17920747, 35841494, 53762241, 71682988, 107524482, 215048964]

約数ペア:

[(1, 215048964), (2, 107524482), (3, 71682988), (4, 53762241), (6, 35841494), (12, 17920747), (13, 16542228), (26, 8271114), (39, 5514076), (52, 4135557), (78, 2757038), (156, 1378519)]