155720312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{29009}}^1$

素因数の和:29087

約数の個数: 32

約数和(自身を含む): 323751600

約数和(自身を除く): 168031288

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 29009, 58018, 116036, 232072, 319099, 638198, 1276396, 1769549, 2552792, 3539098, 7078196, 14156392, 19465039, 38930078, 77860156, 155720312]

約数ペア:

[(1, 155720312), (2, 77860156), (4, 38930078), (8, 19465039), (11, 14156392), (22, 7078196), (44, 3539098), (61, 2552792), (88, 1769549), (122, 1276396), (244, 638198), (488, 319099), (671, 232072), (1342, 116036), (2684, 58018), (5368, 29009)]