401200744

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 886152960

約数和(自身を除く): 484952216

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 197, 287, 328, 394, 574, 788, 887, 1148, 1379, 1576, 1774, 2296, 2758, 3548, 5516, 6209, 7096, 8077, 11032, 12418, 16154, 24836, 32308, 36367, 49672, 56539, 64616, 72734, 113078, 145468, 174739, 226156, 254569, 290936, 349478, 452312, 509138, 698956, 1018276, 1223173, 1397912, 2036552, 2446346, 4892692, 7164299, 9785384, 14328598, 28657196, 50150093, 57314392, 100300186, 200600372, 401200744]

約数ペア:

[(1, 401200744), (2, 200600372), (4, 100300186), (7, 57314392), (8, 50150093), (14, 28657196), (28, 14328598), (41, 9785384), (56, 7164299), (82, 4892692), (164, 2446346), (197, 2036552), (287, 1397912), (328, 1223173), (394, 1018276), (574, 698956), (788, 509138), (887, 452312), (1148, 349478), (1379, 290936), (1576, 254569), (1774, 226156), (2296, 174739), (2758, 145468), (3548, 113078), (5516, 72734), (6209, 64616), (7096, 56539), (8077, 49672), (11032, 36367), (12418, 32308), (16154, 24836)]