65461990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20521}}^1$

素因数の和:20568

約数の個数: 32

約数和(自身を含む): 132982560

約数和(自身を除く): 67520570

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 20521, 41042, 102605, 205210, 225731, 451462, 595109, 1128655, 1190218, 2257310, 2975545, 5951090, 6546199, 13092398, 32730995, 65461990]

約数ペア:

[(1, 65461990), (2, 32730995), (5, 13092398), (10, 6546199), (11, 5951090), (22, 2975545), (29, 2257310), (55, 1190218), (58, 1128655), (110, 595109), (145, 451462), (290, 225731), (319, 205210), (638, 102605), (1595, 41042), (3190, 20521)]