665909872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 1396339200

約数和(自身を除く): 730429328

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 137, 152, 236, 271, 274, 304, 472, 542, 548, 944, 1084, 1096, 1121, 2168, 2192, 2242, 2603, 4336, 4484, 5149, 5206, 8083, 8968, 10298, 10412, 15989, 16166, 17936, 20596, 20824, 31978, 32332, 37127, 41192, 41648, 63956, 64664, 74254, 82384, 127912, 129328, 148508, 153577, 255824, 297016, 303791, 307154, 594032, 607582, 614308, 705413, 1215164, 1228616, 1410826, 2190493, 2430328, 2457232, 2821652, 4380986, 4860656, 5643304, 8761972, 11286608, 17523944, 35047888, 41619367, 83238734, 166477468, 332954936, 665909872]

約数ペア:

[(1, 665909872), (2, 332954936), (4, 166477468), (8, 83238734), (16, 41619367), (19, 35047888), (38, 17523944), (59, 11286608), (76, 8761972), (118, 5643304), (137, 4860656), (152, 4380986), (236, 2821652), (271, 2457232), (274, 2430328), (304, 2190493), (472, 1410826), (542, 1228616), (548, 1215164), (944, 705413), (1084, 614308), (1096, 607582), (1121, 594032), (2168, 307154), (2192, 303791), (2242, 297016), (2603, 255824), (4336, 153577), (4484, 148508), (5149, 129328), (5206, 127912), (8083, 82384), (8968, 74254), (10298, 64664), (10412, 63956), (15989, 41648), (16166, 41192), (17936, 37127), (20596, 32332), (20824, 31978)]