128444268

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1087}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 308295680

約数和(自身を除く): 179851412

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 229, 258, 458, 516, 687, 916, 1087, 1374, 2174, 2748, 3261, 4348, 6522, 9847, 13044, 19694, 29541, 39388, 46741, 59082, 93482, 118164, 140223, 186964, 248923, 280446, 497846, 560892, 746769, 995692, 1493538, 2987076, 10703689, 21407378, 32111067, 42814756, 64222134, 128444268]

約数ペア:

[(1, 128444268), (2, 64222134), (3, 42814756), (4, 32111067), (6, 21407378), (12, 10703689), (43, 2987076), (86, 1493538), (129, 995692), (172, 746769), (229, 560892), (258, 497846), (458, 280446), (516, 248923), (687, 186964), (916, 140223), (1087, 118164), (1374, 93482), (2174, 59082), (2748, 46741), (3261, 39388), (4348, 29541), (6522, 19694), (9847, 13044)]