131111968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1163}}^1$

素因数の和:1457

約数の個数: 48

約数和(自身を含む): 279248256

約数和(自身を除く): 148136288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 271, 416, 542, 1084, 1163, 2168, 2326, 3523, 4336, 4652, 7046, 8672, 9304, 14092, 15119, 18608, 28184, 30238, 37216, 56368, 60476, 112736, 120952, 241904, 315173, 483808, 630346, 1260692, 2521384, 4097249, 5042768, 8194498, 10085536, 16388996, 32777992, 65555984, 131111968]

約数ペア:

[(1, 131111968), (2, 65555984), (4, 32777992), (8, 16388996), (13, 10085536), (16, 8194498), (26, 5042768), (32, 4097249), (52, 2521384), (104, 1260692), (208, 630346), (271, 483808), (416, 315173), (542, 241904), (1084, 120952), (1163, 112736), (2168, 60476), (2326, 56368), (3523, 37216), (4336, 30238), (4652, 28184), (7046, 18608), (8672, 15119), (9304, 14092)]