128243830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89681}}^1$

素因数の和:89712

約数の個数: 32

約数和(自身を含む): 271198368

約数和(自身を除く): 142954538

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 89681, 179362, 448405, 896810, 986491, 1165853, 1972982, 2331706, 4932455, 5829265, 9864910, 11658530, 12824383, 25648766, 64121915, 128243830]

約数ペア:

[(1, 128243830), (2, 64121915), (5, 25648766), (10, 12824383), (11, 11658530), (13, 9864910), (22, 5829265), (26, 4932455), (55, 2331706), (65, 1972982), (110, 1165853), (130, 986491), (143, 896810), (286, 448405), (715, 179362), (1430, 89681)]