268345610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66587}}^1$

素因数の和:66638

約数の個数: 32

約数和(自身を含む): 536965632

約数和(自身を除く): 268620022

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 66587, 133174, 332935, 665870, 865631, 1731262, 2064197, 4128394, 4328155, 8656310, 10320985, 20641970, 26834561, 53669122, 134172805, 268345610]

約数ペア:

[(1, 268345610), (2, 134172805), (5, 53669122), (10, 26834561), (13, 20641970), (26, 10320985), (31, 8656310), (62, 4328155), (65, 4128394), (130, 2064197), (155, 1731262), (310, 865631), (403, 665870), (806, 332935), (2015, 133174), (4030, 66587)]