68719932

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 181009920

約数和(自身を除く): 112289988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 186, 278, 279, 372, 417, 443, 556, 558, 834, 886, 1116, 1251, 1329, 1668, 1772, 2502, 2658, 3987, 4309, 5004, 5316, 7974, 8618, 12927, 13733, 15948, 17236, 25854, 27466, 38781, 41199, 51708, 54932, 61577, 77562, 82398, 123154, 123597, 155124, 164796, 184731, 246308, 247194, 369462, 494388, 554193, 738924, 1108386, 1908887, 2216772, 3817774, 5726661, 7635548, 11453322, 17179983, 22906644, 34359966, 68719932]

約数ペア:

[(1, 68719932), (2, 34359966), (3, 22906644), (4, 17179983), (6, 11453322), (9, 7635548), (12, 5726661), (18, 3817774), (31, 2216772), (36, 1908887), (62, 1108386), (93, 738924), (124, 554193), (139, 494388), (186, 369462), (278, 247194), (279, 246308), (372, 184731), (417, 164796), (443, 155124), (556, 123597), (558, 123154), (834, 82398), (886, 77562), (1116, 61577), (1251, 54932), (1329, 51708), (1668, 41199), (1772, 38781), (2502, 27466), (2658, 25854), (3987, 17236), (4309, 15948), (5004, 13733), (5316, 12927), (7974, 8618)]