64420790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4241}}^1$

素因数の和:4293

約数の個数: 48

約数和(自身を含む): 139273344

約数和(自身を除く): 74852554

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1519, 2170, 3038, 4241, 7595, 8482, 15190, 21205, 29687, 42410, 59374, 131471, 148435, 207809, 262942, 296870, 415618, 657355, 920297, 1039045, 1314710, 1840594, 2078090, 4601485, 6442079, 9202970, 12884158, 32210395, 64420790]

約数ペア:

[(1, 64420790), (2, 32210395), (5, 12884158), (7, 9202970), (10, 6442079), (14, 4601485), (31, 2078090), (35, 1840594), (49, 1314710), (62, 1039045), (70, 920297), (98, 657355), (155, 415618), (217, 296870), (245, 262942), (310, 207809), (434, 148435), (490, 131471), (1085, 59374), (1519, 42410), (2170, 29687), (3038, 21205), (4241, 15190), (7595, 8482)]