64857890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 128049336

約数和(自身を除く): 63191446

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 397, 527, 794, 961, 1054, 1922, 1985, 2635, 3970, 4805, 5270, 6749, 9610, 12307, 13498, 16337, 24614, 32674, 33745, 61535, 67490, 81685, 123070, 163370, 209219, 381517, 418438, 763034, 1046095, 1907585, 2092190, 3815170, 6485789, 12971578, 32428945, 64857890]

約数ペア:

[(1, 64857890), (2, 32428945), (5, 12971578), (10, 6485789), (17, 3815170), (31, 2092190), (34, 1907585), (62, 1046095), (85, 763034), (155, 418438), (170, 381517), (310, 209219), (397, 163370), (527, 123070), (794, 81685), (961, 67490), (1054, 61535), (1922, 33745), (1985, 32674), (2635, 24614), (3970, 16337), (4805, 13498), (5270, 12307), (6749, 9610)]