1640711270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{481147}}^1$

素因数の和:481196

約数の個数: 32

約数和(自身を含む): 3325694976

約数和(自身を除く): 1684983706

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 481147, 962294, 2405735, 4811470, 5292617, 10585234, 14915557, 26463085, 29831114, 52926170, 74577785, 149155570, 164071127, 328142254, 820355635, 1640711270]

約数ペア:

[(1, 1640711270), (2, 820355635), (5, 328142254), (10, 164071127), (11, 149155570), (22, 74577785), (31, 52926170), (55, 29831114), (62, 26463085), (110, 14915557), (155, 10585234), (310, 5292617), (341, 4811470), (682, 2405735), (1705, 962294), (3410, 481147)]