1291245488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1061}}^1\times {\mathrm{5851}}^1$

素因数の和:6933

約数の個数: 40

約数和(自身を含む): 2697233616

約数和(自身を除く): 1405988128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1061, 2122, 4244, 5851, 8488, 11702, 13793, 16976, 23404, 27586, 46808, 55172, 76063, 93616, 110344, 152126, 220688, 304252, 608504, 1217008, 6207911, 12415822, 24831644, 49663288, 80702843, 99326576, 161405686, 322811372, 645622744, 1291245488]

約数ペア:

[(1, 1291245488), (2, 645622744), (4, 322811372), (8, 161405686), (13, 99326576), (16, 80702843), (26, 49663288), (52, 24831644), (104, 12415822), (208, 6207911), (1061, 1217008), (2122, 608504), (4244, 304252), (5851, 220688), (8488, 152126), (11702, 110344), (13793, 93616), (16976, 76063), (23404, 55172), (27586, 46808)]