68495830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 138692736

約数和(自身を除く): 70196906

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 71, 82, 130, 142, 181, 205, 355, 362, 410, 533, 710, 905, 923, 1066, 1810, 1846, 2353, 2665, 2911, 4615, 4706, 5330, 5822, 7421, 9230, 11765, 12851, 14555, 14842, 23530, 25702, 29110, 37105, 37843, 64255, 74210, 75686, 96473, 128510, 167063, 189215, 192946, 334126, 378430, 482365, 526891, 835315, 964730, 1053782, 1670630, 2634455, 5268910, 6849583, 13699166, 34247915, 68495830]

約数ペア:

[(1, 68495830), (2, 34247915), (5, 13699166), (10, 6849583), (13, 5268910), (26, 2634455), (41, 1670630), (65, 1053782), (71, 964730), (82, 835315), (130, 526891), (142, 482365), (181, 378430), (205, 334126), (355, 192946), (362, 189215), (410, 167063), (533, 128510), (710, 96473), (905, 75686), (923, 74210), (1066, 64255), (1810, 37843), (1846, 37105), (2353, 29110), (2665, 25702), (2911, 23530), (4615, 14842), (4706, 14555), (5330, 12851), (5822, 11765), (7421, 9230)]