156965890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 130435070

約数列:

[1, 2, 5, 10, 79, 158, 395, 431, 461, 790, 862, 922, 2155, 2305, 4310, 4610, 34049, 36419, 68098, 72838, 170245, 182095, 198691, 340490, 364190, 397382, 993455, 1986910, 15696589, 31393178, 78482945, 156965890]

約数ペア:

[(1, 156965890), (2, 78482945), (5, 31393178), (10, 15696589), (79, 1986910), (158, 993455), (395, 397382), (431, 364190), (461, 340490), (790, 198691), (862, 182095), (922, 170245), (2155, 72838), (2305, 68098), (4310, 36419), (4610, 34049)]