648021232

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{140143}}^1$

素因数の和:140185

約数の個数: 30

約数和(自身を含む): 1333750448

約数和(自身を除く): 685729216

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 140143, 280286, 560572, 1121144, 2242288, 2382431, 4764862, 9529724, 19059448, 38118896, 40501327, 81002654, 162005308, 324010616, 648021232]

約数ペア:

[(1, 648021232), (2, 324010616), (4, 162005308), (8, 81002654), (16, 40501327), (17, 38118896), (34, 19059448), (68, 9529724), (136, 4764862), (272, 2382431), (289, 2242288), (578, 1121144), (1156, 560572), (2312, 280286), (4624, 140143)]