221490178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4211}}^1$

素因数の和:4267

約数の個数: 48

約数和(自身を含む): 434476224

約数和(自身を除く): 212986046

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 289, 442, 578, 1547, 2023, 3094, 3757, 4046, 4211, 7514, 8422, 26299, 29477, 52598, 54743, 58954, 71587, 109486, 143174, 383201, 501109, 766402, 930631, 1002218, 1216979, 1861262, 2433958, 6514417, 8518853, 13028834, 15820727, 17037706, 31641454, 110745089, 221490178]

約数ペア:

[(1, 221490178), (2, 110745089), (7, 31641454), (13, 17037706), (14, 15820727), (17, 13028834), (26, 8518853), (34, 6514417), (91, 2433958), (119, 1861262), (182, 1216979), (221, 1002218), (238, 930631), (289, 766402), (442, 501109), (578, 383201), (1547, 143174), (2023, 109486), (3094, 71587), (3757, 58954), (4046, 54743), (4211, 52598), (7514, 29477), (8422, 26299)]