640562952

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{437543}}^1$

素因数の和:437613

約数の個数: 32

約数和(自身を含む): 1627663680

約数和(自身を除く): 987100728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 437543, 875086, 1312629, 1750172, 2625258, 3500344, 5250516, 10501032, 26690123, 53380246, 80070369, 106760492, 160140738, 213520984, 320281476, 640562952]

約数ペア:

[(1, 640562952), (2, 320281476), (3, 213520984), (4, 160140738), (6, 106760492), (8, 80070369), (12, 53380246), (24, 26690123), (61, 10501032), (122, 5250516), (183, 3500344), (244, 2625258), (366, 1750172), (488, 1312629), (732, 875086), (1464, 437543)]