71215792

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 141566832

約数和(自身を除く): 70351040

約数列:

[1, 2, 4, 8, 16, 61, 122, 131, 244, 262, 488, 524, 557, 976, 1048, 1114, 2096, 2228, 4456, 7991, 8912, 15982, 31964, 33977, 63928, 67954, 72967, 127856, 135908, 145934, 271816, 291868, 543632, 583736, 1167472, 4450987, 8901974, 17803948, 35607896, 71215792]

約数ペア:

[(1, 71215792), (2, 35607896), (4, 17803948), (8, 8901974), (16, 4450987), (61, 1167472), (122, 583736), (131, 543632), (244, 291868), (262, 271816), (488, 145934), (524, 135908), (557, 127856), (976, 72967), (1048, 67954), (1114, 63928), (2096, 33977), (2228, 31964), (4456, 15982), (7991, 8912)]