156958864016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1997}}^1\times {\mathrm{119813}}^1$

素因数の和:121859

約数の個数: 40

約数和(自身を含む): 311683660344

約数和(自身を除く): 154724796328

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1997, 3994, 7988, 15976, 31952, 81877, 119813, 163754, 239626, 327508, 479252, 655016, 958504, 1310032, 1917008, 4912333, 9824666, 19649332, 39298664, 78597328, 239266561, 478533122, 957066244, 1914132488, 3828264976, 9809929001, 19619858002, 39239716004, 78479432008, 156958864016]

約数ペア:

[(1, 156958864016), (2, 78479432008), (4, 39239716004), (8, 19619858002), (16, 9809929001), (41, 3828264976), (82, 1914132488), (164, 957066244), (328, 478533122), (656, 239266561), (1997, 78597328), (3994, 39298664), (7988, 19649332), (15976, 9824666), (31952, 4912333), (81877, 1917008), (119813, 1310032), (163754, 958504), (239626, 655016), (327508, 479252)]