681586568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{28871}}^1$

素因数の和:29117

約数の個数: 32

約数和(自身を含む): 1382391360

約数和(自身を除く): 700804792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 908, 1816, 2951, 5902, 11804, 23608, 28871, 57742, 115484, 230968, 375323, 750646, 1501292, 3002584, 6553717, 13107434, 26214868, 52429736, 85198321, 170396642, 340793284, 681586568]

約数ペア:

[(1, 681586568), (2, 340793284), (4, 170396642), (8, 85198321), (13, 52429736), (26, 26214868), (52, 13107434), (104, 6553717), (227, 3002584), (454, 1501292), (908, 750646), (1816, 375323), (2951, 230968), (5902, 115484), (11804, 57742), (23608, 28871)]