281045336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5227}}^1$

素因数の和:5304

約数の個数: 64

約数和(自身を含む): 632378880

約数和(自身を除く): 351333544

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 376, 517, 572, 611, 1034, 1144, 1222, 2068, 2444, 4136, 4888, 5227, 6721, 10454, 13442, 20908, 26884, 41816, 53768, 57497, 67951, 114994, 135902, 229988, 245669, 271804, 459976, 491338, 543608, 747461, 982676, 1494922, 1965352, 2702359, 2989844, 3193697, 5404718, 5979688, 6387394, 10809436, 12774788, 21618872, 25549576, 35130667, 70261334, 140522668, 281045336]

約数ペア:

[(1, 281045336), (2, 140522668), (4, 70261334), (8, 35130667), (11, 25549576), (13, 21618872), (22, 12774788), (26, 10809436), (44, 6387394), (47, 5979688), (52, 5404718), (88, 3193697), (94, 2989844), (104, 2702359), (143, 1965352), (188, 1494922), (286, 982676), (376, 747461), (517, 543608), (572, 491338), (611, 459976), (1034, 271804), (1144, 245669), (1222, 229988), (2068, 135902), (2444, 114994), (4136, 67951), (4888, 57497), (5227, 53768), (6721, 41816), (10454, 26884), (13442, 20908)]