15540890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 29918160

約数和(自身を除く): 14377270

約数列:

[1, 2, 5, 10, 17, 34, 85, 113, 170, 226, 565, 809, 1130, 1618, 1921, 3842, 4045, 8090, 9605, 13753, 19210, 27506, 68765, 91417, 137530, 182834, 457085, 914170, 1554089, 3108178, 7770445, 15540890]

約数ペア:

[(1, 15540890), (2, 7770445), (5, 3108178), (10, 1554089), (17, 914170), (34, 457085), (85, 182834), (113, 137530), (170, 91417), (226, 68765), (565, 27506), (809, 19210), (1130, 13753), (1618, 9605), (1921, 8090), (3842, 4045)]