86720231390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{443}}^1\times {\mathrm{3793}}^1$

素因数の和:4653

約数の個数: 64

約数和(自身を含む): 168952222656

約数和(自身を除く): 82231991266

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 443, 794, 886, 1985, 2215, 3793, 3970, 4430, 5161, 5759, 7586, 10322, 11518, 18965, 25805, 28795, 37930, 49309, 51610, 57590, 98618, 175871, 246545, 351742, 493090, 879355, 1505821, 1680299, 1758710, 2286323, 3011642, 3360598, 4572646, 7529105, 8401495, 11431615, 15058210, 16802990, 19575673, 21843887, 22863230, 39151346, 43687774, 97878365, 109219435, 195756730, 218438870, 667078703, 1334157406, 3335393515, 6670787030, 8672023139, 17344046278, 43360115695, 86720231390]

約数ペア:

[(1, 86720231390), (2, 43360115695), (5, 17344046278), (10, 8672023139), (13, 6670787030), (26, 3335393515), (65, 1334157406), (130, 667078703), (397, 218438870), (443, 195756730), (794, 109219435), (886, 97878365), (1985, 43687774), (2215, 39151346), (3793, 22863230), (3970, 21843887), (4430, 19575673), (5161, 16802990), (5759, 15058210), (7586, 11431615), (10322, 8401495), (11518, 7529105), (18965, 4572646), (25805, 3360598), (28795, 3011642), (37930, 2286323), (49309, 1758710), (51610, 1680299), (57590, 1505821), (98618, 879355), (175871, 493090), (246545, 351742)]