861305809

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1669}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 1090817280

約数和(自身を除く): 229511471

約数列:

[1, 7, 13, 53, 91, 107, 371, 689, 749, 1391, 1669, 4823, 5671, 9737, 11683, 21697, 39697, 73723, 88457, 151879, 178583, 516061, 619199, 1149941, 1250081, 2321579, 8049587, 9464899, 16251053, 66254293, 123043687, 861305809]

約数ペア:

[(1, 861305809), (7, 123043687), (13, 66254293), (53, 16251053), (91, 9464899), (107, 8049587), (371, 2321579), (689, 1250081), (749, 1149941), (1391, 619199), (1669, 516061), (4823, 178583), (5671, 151879), (9737, 88457), (11683, 73723), (21697, 39697)]