321545392

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1$

素因数の和:2586

約数の個数: 80

約数和(自身を含む): 755126272

約数和(自身を除く): 433580880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 868, 1036, 1147, 1736, 2072, 2294, 2503, 3472, 4144, 4588, 5006, 8029, 9176, 10012, 16058, 17521, 18352, 20024, 32116, 35042, 40048, 64232, 70084, 77593, 92611, 128464, 140168, 155186, 185222, 280336, 310372, 370444, 543151, 620744, 648277, 740888, 1086302, 1241488, 1296554, 1481776, 2172604, 2593108, 2870941, 4345208, 5186216, 5741882, 8690416, 10372432, 11483764, 20096587, 22967528, 40193174, 45935056, 80386348, 160772696, 321545392]

約数ペア:

[(1, 321545392), (2, 160772696), (4, 80386348), (7, 45935056), (8, 40193174), (14, 22967528), (16, 20096587), (28, 11483764), (31, 10372432), (37, 8690416), (56, 5741882), (62, 5186216), (74, 4345208), (112, 2870941), (124, 2593108), (148, 2172604), (217, 1481776), (248, 1296554), (259, 1241488), (296, 1086302), (434, 740888), (496, 648277), (518, 620744), (592, 543151), (868, 370444), (1036, 310372), (1147, 280336), (1736, 185222), (2072, 155186), (2294, 140168), (2503, 128464), (3472, 92611), (4144, 77593), (4588, 70084), (5006, 64232), (8029, 40048), (9176, 35042), (10012, 32116), (16058, 20024), (17521, 18352)]