215423728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{60923}}^1$

素因数の和:60961

約数の個数: 40

約数和(自身を含む): 475938288

約数和(自身を除く): 260514560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 60923, 121846, 243692, 487384, 791999, 974768, 1035691, 1583998, 2071382, 3167996, 4142764, 6335992, 8285528, 12671984, 13463983, 16571056, 26927966, 53855932, 107711864, 215423728]

約数ペア:

[(1, 215423728), (2, 107711864), (4, 53855932), (8, 26927966), (13, 16571056), (16, 13463983), (17, 12671984), (26, 8285528), (34, 6335992), (52, 4142764), (68, 3167996), (104, 2071382), (136, 1583998), (208, 1035691), (221, 974768), (272, 791999), (442, 487384), (884, 243692), (1768, 121846), (3536, 60923)]