213296980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2621}}^1$

素因数の和:2956

約数の個数: 48

約数和(自身を含む): 484105104

約数和(自身を除く): 270808124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 1252, 1565, 2621, 3130, 4069, 5242, 6260, 8138, 10484, 13105, 16276, 20345, 26210, 34073, 40690, 52420, 68146, 81380, 136292, 170365, 340730, 681460, 820373, 1640746, 3281492, 4101865, 8203730, 10664849, 16407460, 21329698, 42659396, 53324245, 106648490, 213296980]

約数ペア:

[(1, 213296980), (2, 106648490), (4, 53324245), (5, 42659396), (10, 21329698), (13, 16407460), (20, 10664849), (26, 8203730), (52, 4101865), (65, 3281492), (130, 1640746), (260, 820373), (313, 681460), (626, 340730), (1252, 170365), (1565, 136292), (2621, 81380), (3130, 68146), (4069, 52420), (5242, 40690), (6260, 34073), (8138, 26210), (10484, 20345), (13105, 16276)]