71663288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 147312000

約数和(自身を除く): 75648712

約数列:

[1, 2, 4, 8, 19, 38, 59, 61, 76, 118, 122, 131, 152, 236, 244, 262, 472, 488, 524, 1048, 1121, 1159, 2242, 2318, 2489, 3599, 4484, 4636, 4978, 7198, 7729, 7991, 8968, 9272, 9956, 14396, 15458, 15982, 19912, 28792, 30916, 31964, 61832, 63928, 68381, 136762, 146851, 151829, 273524, 293702, 303658, 471469, 547048, 587404, 607316, 942938, 1174808, 1214632, 1885876, 3771752, 8957911, 17915822, 35831644, 71663288]

約数ペア:

[(1, 71663288), (2, 35831644), (4, 17915822), (8, 8957911), (19, 3771752), (38, 1885876), (59, 1214632), (61, 1174808), (76, 942938), (118, 607316), (122, 587404), (131, 547048), (152, 471469), (236, 303658), (244, 293702), (262, 273524), (472, 151829), (488, 146851), (524, 136762), (1048, 68381), (1121, 63928), (1159, 61832), (2242, 31964), (2318, 30916), (2489, 28792), (3599, 19912), (4484, 15982), (4636, 15458), (4978, 14396), (7198, 9956), (7729, 9272), (7991, 8968)]