208575856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 447158880

約数和(自身を除く): 238583024

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 59, 68, 82, 118, 136, 164, 236, 272, 317, 328, 472, 634, 656, 697, 944, 1003, 1268, 1394, 2006, 2419, 2536, 2788, 4012, 4838, 5072, 5389, 5576, 8024, 9676, 10778, 11152, 12997, 16048, 18703, 19352, 21556, 25994, 37406, 38704, 41123, 43112, 51988, 74812, 82246, 86224, 103976, 149624, 164492, 207952, 220949, 299248, 317951, 328984, 441898, 635902, 657968, 766823, 883796, 1271804, 1533646, 1767592, 2543608, 3067292, 3535184, 5087216, 6134584, 12269168, 13035991, 26071982, 52143964, 104287928, 208575856]

約数ペア:

[(1, 208575856), (2, 104287928), (4, 52143964), (8, 26071982), (16, 13035991), (17, 12269168), (34, 6134584), (41, 5087216), (59, 3535184), (68, 3067292), (82, 2543608), (118, 1767592), (136, 1533646), (164, 1271804), (236, 883796), (272, 766823), (317, 657968), (328, 635902), (472, 441898), (634, 328984), (656, 317951), (697, 299248), (944, 220949), (1003, 207952), (1268, 164492), (1394, 149624), (2006, 103976), (2419, 86224), (2536, 82246), (2788, 74812), (4012, 51988), (4838, 43112), (5072, 41123), (5389, 38704), (5576, 37406), (8024, 25994), (9676, 21556), (10778, 19352), (11152, 18703), (12997, 16048)]