647685984

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1699}}^1$

素因数の和:1761

約数の個数: 144

約数和(自身を含む): 1958644800

約数和(自身を除く): 1310958816

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 38, 44, 48, 57, 66, 76, 88, 96, 114, 132, 152, 176, 209, 228, 264, 304, 352, 361, 418, 456, 528, 608, 627, 722, 836, 912, 1056, 1083, 1254, 1444, 1672, 1699, 1824, 2166, 2508, 2888, 3344, 3398, 3971, 4332, 5016, 5097, 5776, 6688, 6796, 7942, 8664, 10032, 10194, 11552, 11913, 13592, 15884, 17328, 18689, 20064, 20388, 23826, 27184, 31768, 32281, 34656, 37378, 40776, 47652, 54368, 56067, 63536, 64562, 74756, 81552, 95304, 96843, 112134, 127072, 129124, 149512, 163104, 190608, 193686, 224268, 258248, 299024, 355091, 381216, 387372, 448536, 516496, 598048, 613339, 710182, 774744, 897072, 1032992, 1065273, 1226678, 1420364, 1549488, 1794144, 1840017, 2130546, 2453356, 2840728, 3098976, 3680034, 4261092, 4906712, 5681456, 6746729, 7360068, 8522184, 9813424, 11362912, 13493458, 14720136, 17044368, 19626848, 20240187, 26986916, 29440272, 34088736, 40480374, 53973832, 58880544, 80960748, 107947664, 161921496, 215895328, 323842992, 647685984]

約数ペア:

[(1, 647685984), (2, 323842992), (3, 215895328), (4, 161921496), (6, 107947664), (8, 80960748), (11, 58880544), (12, 53973832), (16, 40480374), (19, 34088736), (22, 29440272), (24, 26986916), (32, 20240187), (33, 19626848), (38, 17044368), (44, 14720136), (48, 13493458), (57, 11362912), (66, 9813424), (76, 8522184), (88, 7360068), (96, 6746729), (114, 5681456), (132, 4906712), (152, 4261092), (176, 3680034), (209, 3098976), (228, 2840728), (264, 2453356), (304, 2130546), (352, 1840017), (361, 1794144), (418, 1549488), (456, 1420364), (528, 1226678), (608, 1065273), (627, 1032992), (722, 897072), (836, 774744), (912, 710182), (1056, 613339), (1083, 598048), (1254, 516496), (1444, 448536), (1672, 387372), (1699, 381216), (1824, 355091), (2166, 299024), (2508, 258248), (2888, 224268), (3344, 193686), (3398, 190608), (3971, 163104), (4332, 149512), (5016, 129124), (5097, 127072), (5776, 112134), (6688, 96843), (6796, 95304), (7942, 81552), (8664, 74756), (10032, 64562), (10194, 63536), (11552, 56067), (11913, 54368), (13592, 47652), (15884, 40776), (17328, 37378), (18689, 34656), (20064, 32281), (20388, 31768), (23826, 27184)]