128838728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12671}}^1$

素因数の和:12749

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 126628792

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 164, 248, 328, 1271, 2542, 5084, 10168, 12671, 25342, 50684, 101368, 392801, 519511, 785602, 1039022, 1571204, 2078044, 3142408, 4156088, 16104841, 32209682, 64419364, 128838728]

約数ペア:

[(1, 128838728), (2, 64419364), (4, 32209682), (8, 16104841), (31, 4156088), (41, 3142408), (62, 2078044), (82, 1571204), (124, 1039022), (164, 785602), (248, 519511), (328, 392801), (1271, 101368), (2542, 50684), (5084, 25342), (10168, 12671)]