639652.0000000

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 6237504

約数和(自身を除く): 3802188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 233, 268, 402, 466, 699, 804, 871, 932, 1398, 1742, 2613, 2796, 3029, 3484, 5226, 6058, 9087, 10452, 12116, 15611, 18174, 31222, 36348, 46833, 62444, 93666, 187332, 202943, 405886, 608829, 811772, 1217658, 2435316]

約数ペア:

[(1, 2435316), (2, 1217658), (3, 811772), (4, 608829), (6, 405886), (12, 202943), (13, 187332), (26, 93666), (39, 62444), (52, 46833), (67, 36348), (78, 31222), (134, 18174), (156, 15611), (201, 12116), (233, 10452), (268, 9087), (402, 6058), (466, 5226), (699, 3484), (804, 3029), (871, 2796), (932, 2613), (1398, 1742)]