81920552

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 199454400

約数和(自身を除く): 117533848

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 49, 56, 68, 76, 98, 119, 133, 136, 152, 196, 238, 266, 323, 392, 476, 532, 646, 647, 833, 931, 952, 1064, 1292, 1294, 1666, 1862, 2261, 2584, 2588, 3332, 3724, 4522, 4529, 5176, 6664, 7448, 9044, 9058, 10999, 12293, 15827, 18088, 18116, 21998, 24586, 31654, 31703, 36232, 43996, 49172, 63308, 63406, 76993, 86051, 87992, 98344, 126616, 126812, 153986, 172102, 208981, 253624, 307972, 344204, 417962, 538951, 602357, 615944, 688408, 835924, 1077902, 1204714, 1462867, 1671848, 2155804, 2409428, 2925734, 4311608, 4818856, 5851468, 10240069, 11702936, 20480138, 40960276, 81920552]

約数ペア:

[(1, 81920552), (2, 40960276), (4, 20480138), (7, 11702936), (8, 10240069), (14, 5851468), (17, 4818856), (19, 4311608), (28, 2925734), (34, 2409428), (38, 2155804), (49, 1671848), (56, 1462867), (68, 1204714), (76, 1077902), (98, 835924), (119, 688408), (133, 615944), (136, 602357), (152, 538951), (196, 417962), (238, 344204), (266, 307972), (323, 253624), (392, 208981), (476, 172102), (532, 153986), (646, 126812), (647, 126616), (833, 98344), (931, 87992), (952, 86051), (1064, 76993), (1292, 63406), (1294, 63308), (1666, 49172), (1862, 43996), (2261, 36232), (2584, 31703), (2588, 31654), (3332, 24586), (3724, 21998), (4522, 18116), (4529, 18088), (5176, 15827), (6664, 12293), (7448, 10999), (9044, 9058)]