7881990452

素因数分解:

$2^2\times 7^3\times {\mathrm{307}}^1\times {\mathrm{18713}}^1$

素因数の和:19045

約数の個数: 48

約数和(自身を含む): 16138953600

約数和(自身を除く): 8256963148

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 307, 343, 614, 686, 1228, 1372, 2149, 4298, 8596, 15043, 18713, 30086, 37426, 60172, 74852, 105301, 130991, 210602, 261982, 421204, 523964, 916937, 1833874, 3667748, 5744891, 6418559, 11489782, 12837118, 22979564, 25674236, 40214237, 80428474, 160856948, 281499659, 562999318, 1125998636, 1970497613, 3940995226, 7881990452]

約数ペア:

[(1, 7881990452), (2, 3940995226), (4, 1970497613), (7, 1125998636), (14, 562999318), (28, 281499659), (49, 160856948), (98, 80428474), (196, 40214237), (307, 25674236), (343, 22979564), (614, 12837118), (686, 11489782), (1228, 6418559), (1372, 5744891), (2149, 3667748), (4298, 1833874), (8596, 916937), (15043, 523964), (18713, 421204), (30086, 261982), (37426, 210602), (60172, 130991), (74852, 105301)]