81293947070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{77521}}^1$

素因数の和:77817

約数の個数: 64

約数和(自身を含む): 170394596352

約数和(自身を除く): 89100649282

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 211, 355, 422, 497, 710, 994, 1055, 1477, 2110, 2485, 2954, 4970, 7385, 14770, 14981, 29962, 74905, 77521, 104867, 149810, 155042, 209734, 387605, 524335, 542647, 775210, 1048670, 1085294, 2713235, 5426470, 5503991, 11007982, 16356931, 27519955, 32713862, 38527937, 55039910, 77055874, 81784655, 114498517, 163569310, 192639685, 228997034, 385279370, 572492585, 1144985170, 1161342101, 2322684202, 5806710505, 8129394707, 11613421010, 16258789414, 40646973535, 81293947070]

約数ペア:

[(1, 81293947070), (2, 40646973535), (5, 16258789414), (7, 11613421010), (10, 8129394707), (14, 5806710505), (35, 2322684202), (70, 1161342101), (71, 1144985170), (142, 572492585), (211, 385279370), (355, 228997034), (422, 192639685), (497, 163569310), (710, 114498517), (994, 81784655), (1055, 77055874), (1477, 55039910), (2110, 38527937), (2485, 32713862), (2954, 27519955), (4970, 16356931), (7385, 11007982), (14770, 5503991), (14981, 5426470), (29962, 2713235), (74905, 1085294), (77521, 1048670), (104867, 775210), (149810, 542647), (155042, 524335), (209734, 387605)]