287156656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 620478144

約数和(自身を除く): 333321488

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 197, 233, 272, 368, 391, 394, 466, 782, 788, 932, 1564, 1576, 1864, 3128, 3152, 3349, 3728, 3961, 4531, 5359, 6256, 6698, 7922, 9062, 10718, 13396, 15844, 18124, 21436, 26792, 31688, 36248, 42872, 45901, 53584, 63376, 72496, 77027, 85744, 91103, 91802, 154054, 182206, 183604, 308108, 364412, 367208, 616216, 728824, 734416, 780317, 1055723, 1232432, 1457648, 1560634, 2111446, 3121268, 4222892, 6242536, 8445784, 12485072, 16891568, 17947291, 35894582, 71789164, 143578328, 287156656]

約数ペア:

[(1, 287156656), (2, 143578328), (4, 71789164), (8, 35894582), (16, 17947291), (17, 16891568), (23, 12485072), (34, 8445784), (46, 6242536), (68, 4222892), (92, 3121268), (136, 2111446), (184, 1560634), (197, 1457648), (233, 1232432), (272, 1055723), (368, 780317), (391, 734416), (394, 728824), (466, 616216), (782, 367208), (788, 364412), (932, 308108), (1564, 183604), (1576, 182206), (1864, 154054), (3128, 91802), (3152, 91103), (3349, 85744), (3728, 77027), (3961, 72496), (4531, 63376), (5359, 53584), (6256, 45901), (6698, 42872), (7922, 36248), (9062, 31688), (10718, 26792), (13396, 21436), (15844, 18124)]