68881372

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 141039360

約数和(自身を除く): 72157988

約数列:

[1, 2, 4, 7, 14, 28, 89, 131, 178, 211, 262, 356, 422, 524, 623, 844, 917, 1246, 1477, 1834, 2492, 2954, 3668, 5908, 11659, 18779, 23318, 27641, 37558, 46636, 55282, 75116, 81613, 110564, 131453, 163226, 193487, 262906, 326452, 386974, 525812, 773948, 2460049, 4920098, 9840196, 17220343, 34440686, 68881372]

約数ペア:

[(1, 68881372), (2, 34440686), (4, 17220343), (7, 9840196), (14, 4920098), (28, 2460049), (89, 773948), (131, 525812), (178, 386974), (211, 326452), (262, 262906), (356, 193487), (422, 163226), (524, 131453), (623, 110564), (844, 81613), (917, 75116), (1246, 55282), (1477, 46636), (1834, 37558), (2492, 27641), (2954, 23318), (3668, 18779), (5908, 11659)]