331486870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{231809}}^1$

素因数の和:231840

約数の個数: 32

約数和(自身を含む): 700993440

約数和(自身を除く): 369506570

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 231809, 463618, 1159045, 2318090, 2549899, 3013517, 5099798, 6027034, 12749495, 15067585, 25498990, 30135170, 33148687, 66297374, 165743435, 331486870]

約数ペア:

[(1, 331486870), (2, 165743435), (5, 66297374), (10, 33148687), (11, 30135170), (13, 25498990), (22, 15067585), (26, 12749495), (55, 6027034), (65, 5099798), (110, 3013517), (130, 2549899), (143, 2318090), (286, 1159045), (715, 463618), (1430, 231809)]