71487890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5323}}^1$

素因数の和:5426

約数の個数: 32

約数和(自身を含む): 137998080

約数和(自身を除く): 66510190

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 5323, 6715, 10646, 13430, 26615, 53230, 90491, 180982, 420517, 452455, 841034, 904910, 2102585, 4205170, 7148789, 14297578, 35743945, 71487890]

約数ペア:

[(1, 71487890), (2, 35743945), (5, 14297578), (10, 7148789), (17, 4205170), (34, 2102585), (79, 904910), (85, 841034), (158, 452455), (170, 420517), (395, 180982), (790, 90491), (1343, 53230), (2686, 26615), (5323, 13430), (6715, 10646)]