65405788

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 141916320

約数和(自身を除く): 76510532

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 148, 196, 203, 259, 311, 406, 518, 622, 812, 1036, 1073, 1244, 1421, 1813, 2146, 2177, 2842, 3626, 4292, 4354, 5684, 7252, 7511, 8708, 9019, 11507, 15022, 15239, 18038, 23014, 30044, 30478, 36076, 46028, 52577, 60956, 63133, 80549, 105154, 126266, 161098, 210308, 252532, 322196, 333703, 441931, 563843, 667406, 883862, 1127686, 1334812, 1767724, 2255372, 2335921, 4671842, 9343684, 16351447, 32702894, 65405788]

約数ペア:

[(1, 65405788), (2, 32702894), (4, 16351447), (7, 9343684), (14, 4671842), (28, 2335921), (29, 2255372), (37, 1767724), (49, 1334812), (58, 1127686), (74, 883862), (98, 667406), (116, 563843), (148, 441931), (196, 333703), (203, 322196), (259, 252532), (311, 210308), (406, 161098), (518, 126266), (622, 105154), (812, 80549), (1036, 63133), (1073, 60956), (1244, 52577), (1421, 46028), (1813, 36076), (2146, 30478), (2177, 30044), (2842, 23014), (3626, 18038), (4292, 15239), (4354, 15022), (5684, 11507), (7252, 9019), (7511, 8708)]