61687210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15307}}^1$

素因数の和:15358

約数の個数: 32

約数和(自身を含む): 123443712

約数和(自身を除く): 61756502

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 15307, 30614, 76535, 153070, 198991, 397982, 474517, 949034, 994955, 1989910, 2372585, 4745170, 6168721, 12337442, 30843605, 61687210]

約数ペア:

[(1, 61687210), (2, 30843605), (5, 12337442), (10, 6168721), (13, 4745170), (26, 2372585), (31, 1989910), (62, 994955), (65, 949034), (130, 474517), (155, 397982), (310, 198991), (403, 153070), (806, 76535), (2015, 30614), (4030, 15307)]