131491804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{21727}}^1$

素因数の和:21837

約数の個数: 24

約数和(自身を含む): 246395520

約数和(自身を除く): 114903716

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 21727, 43454, 86908, 369359, 738718, 1477436, 1933703, 3867406, 7734812, 32872951, 65745902, 131491804]

約数ペア:

[(1, 131491804), (2, 65745902), (4, 32872951), (17, 7734812), (34, 3867406), (68, 1933703), (89, 1477436), (178, 738718), (356, 369359), (1513, 86908), (3026, 43454), (6052, 21727)]