51871490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 103650624

約数和(自身を除く): 51779134

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 163, 242, 263, 326, 526, 605, 815, 1210, 1315, 1630, 1793, 2630, 2893, 3586, 5786, 8965, 14465, 17930, 19723, 28930, 31823, 39446, 42869, 63646, 85738, 98615, 159115, 197230, 214345, 318230, 428690, 471559, 943118, 2357795, 4715590, 5187149, 10374298, 25935745, 51871490]

約数ペア:

[(1, 51871490), (2, 25935745), (5, 10374298), (10, 5187149), (11, 4715590), (22, 2357795), (55, 943118), (110, 471559), (121, 428690), (163, 318230), (242, 214345), (263, 197230), (326, 159115), (526, 98615), (605, 85738), (815, 63646), (1210, 42869), (1315, 39446), (1630, 31823), (1793, 28930), (2630, 19723), (2893, 17930), (3586, 14465), (5786, 8965)]