211875268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{30671}}^1$

素因数の和:30843

約数の個数: 24

約数和(自身を含む): 407078784

約数和(自身を除く): 195203516

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 30671, 61342, 122684, 337381, 674762, 1349524, 4815347, 9630694, 19261388, 52968817, 105937634, 211875268]

約数ペア:

[(1, 211875268), (2, 105937634), (4, 52968817), (11, 19261388), (22, 9630694), (44, 4815347), (157, 1349524), (314, 674762), (628, 337381), (1727, 122684), (3454, 61342), (6908, 30671)]