645534266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{8999}}^1$

素因数の和:9134

約数の個数: 32

約数和(自身を含む): 1088640000

約数和(自身を除く): 443105734

約数列:

[1, 2, 13, 26, 31, 62, 89, 178, 403, 806, 1157, 2314, 2759, 5518, 8999, 17998, 35867, 71734, 116987, 233974, 278969, 557938, 800911, 1601822, 3626597, 7253194, 10411843, 20823686, 24828241, 49656482, 322767133, 645534266]

約数ペア:

[(1, 645534266), (2, 322767133), (13, 49656482), (26, 24828241), (31, 20823686), (62, 10411843), (89, 7253194), (178, 3626597), (403, 1601822), (806, 800911), (1157, 557938), (2314, 278969), (2759, 233974), (5518, 116987), (8999, 71734), (17998, 35867)]