571997270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{11311}}^1$

素因数の和:11720

約数の個数: 32

約数和(自身を含む): 1111743360

約数和(自身を除く): 539746090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 5057, 10114, 11311, 22622, 25285, 50570, 56555, 113110, 147043, 294086, 735215, 1470430, 4399979, 8799958, 21999895, 43999790, 57199727, 114399454, 285998635, 571997270]

約数ペア:

[(1, 571997270), (2, 285998635), (5, 114399454), (10, 57199727), (13, 43999790), (26, 21999895), (65, 8799958), (130, 4399979), (389, 1470430), (778, 735215), (1945, 294086), (3890, 147043), (5057, 113110), (10114, 56555), (11311, 50570), (22622, 25285)]