211301584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:588

約数の個数: 80

約数和(自身を含む): 468858880

約数和(自身を除く): 257557296

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 127, 152, 208, 247, 254, 304, 421, 494, 508, 842, 988, 1016, 1651, 1684, 1976, 2032, 2413, 3302, 3368, 3952, 4826, 5473, 6604, 6736, 7999, 9652, 10946, 13208, 15998, 19304, 21892, 26416, 31369, 31996, 38608, 43784, 53467, 62738, 63992, 87568, 103987, 106934, 125476, 127984, 207974, 213868, 250952, 415948, 427736, 501904, 695071, 831896, 855472, 1015873, 1390142, 1663792, 2031746, 2780284, 4063492, 5560568, 8126984, 11121136, 13206349, 16253968, 26412698, 52825396, 105650792, 211301584]

約数ペア:

[(1, 211301584), (2, 105650792), (4, 52825396), (8, 26412698), (13, 16253968), (16, 13206349), (19, 11121136), (26, 8126984), (38, 5560568), (52, 4063492), (76, 2780284), (104, 2031746), (127, 1663792), (152, 1390142), (208, 1015873), (247, 855472), (254, 831896), (304, 695071), (421, 501904), (494, 427736), (508, 415948), (842, 250952), (988, 213868), (1016, 207974), (1651, 127984), (1684, 125476), (1976, 106934), (2032, 103987), (2413, 87568), (3302, 63992), (3368, 62738), (3952, 53467), (4826, 43784), (5473, 38608), (6604, 31996), (6736, 31369), (7999, 26416), (9652, 21892), (10946, 19304), (13208, 15998)]