72440428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 133887936

約数和(自身を除く): 61447508

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 157, 244, 314, 628, 1891, 3721, 3782, 4867, 7442, 7564, 9577, 9734, 14884, 19154, 19468, 38308, 115351, 230702, 296887, 461404, 584197, 593774, 1168394, 1187548, 2336788, 18110107, 36220214, 72440428]

約数ペア:

[(1, 72440428), (2, 36220214), (4, 18110107), (31, 2336788), (61, 1187548), (62, 1168394), (122, 593774), (124, 584197), (157, 461404), (244, 296887), (314, 230702), (628, 115351), (1891, 38308), (3721, 19468), (3782, 19154), (4867, 14884), (7442, 9734), (7564, 9577)]