638963754

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24023}}^1$

素因数の和:24083

約数の個数: 64

約数和(自身を含む): 1549836288

約数和(自身を除く): 910872534

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 341, 403, 429, 682, 806, 858, 1023, 1209, 2046, 2418, 4433, 8866, 13299, 24023, 26598, 48046, 72069, 144138, 264253, 312299, 528506, 624598, 744713, 792759, 936897, 1489426, 1585518, 1873794, 2234139, 3435289, 4468278, 6870578, 8191843, 9681269, 10305867, 16383686, 19362538, 20611734, 24575529, 29043807, 49151058, 58087614, 106493959, 212987918, 319481877, 638963754]

約数ペア:

[(1, 638963754), (2, 319481877), (3, 212987918), (6, 106493959), (11, 58087614), (13, 49151058), (22, 29043807), (26, 24575529), (31, 20611734), (33, 19362538), (39, 16383686), (62, 10305867), (66, 9681269), (78, 8191843), (93, 6870578), (143, 4468278), (186, 3435289), (286, 2234139), (341, 1873794), (403, 1585518), (429, 1489426), (682, 936897), (806, 792759), (858, 744713), (1023, 624598), (1209, 528506), (2046, 312299), (2418, 264253), (4433, 144138), (8866, 72069), (13299, 48046), (24023, 26598)]