647553010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1\times {\mathrm{3323}}^1$

素因数の和:4842

約数の個数: 32

約数和(自身を含む): 1256472000

約数和(自身を除く): 608918990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1499, 2998, 3323, 6646, 7495, 14990, 16615, 19487, 33230, 38974, 43199, 86398, 97435, 194870, 215995, 431990, 4981177, 9962354, 24905885, 49811770, 64755301, 129510602, 323776505, 647553010]

約数ペア:

[(1, 647553010), (2, 323776505), (5, 129510602), (10, 64755301), (13, 49811770), (26, 24905885), (65, 9962354), (130, 4981177), (1499, 431990), (2998, 215995), (3323, 194870), (6646, 97435), (7495, 86398), (14990, 43199), (16615, 38974), (19487, 33230)]