391396317221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1\times {\mathrm{1321}}^1\times {\mathrm{2711}}^1$

素因数の和:5253

約数の個数: 32

約数和(自身を含む): 482662580736

約数和(自身を除く): 91266263515

約数列:

[1, 7, 13, 91, 1201, 1321, 2711, 8407, 9247, 15613, 17173, 18977, 35243, 109291, 120211, 246701, 1586521, 3255911, 3581231, 11105647, 20624773, 22791377, 25068617, 42326843, 46556003, 144373411, 296287901, 325892021, 4301058431, 30107409017, 55913759603, 391396317221]

約数ペア:

[(1, 391396317221), (7, 55913759603), (13, 30107409017), (91, 4301058431), (1201, 325892021), (1321, 296287901), (2711, 144373411), (8407, 46556003), (9247, 42326843), (15613, 25068617), (17173, 22791377), (18977, 20624773), (35243, 11105647), (109291, 3581231), (120211, 3255911), (246701, 1586521)]