491531656

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 1188495360

約数和(自身を除く): 696963704

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 61, 77, 88, 103, 122, 127, 154, 206, 244, 254, 308, 412, 427, 488, 508, 616, 671, 721, 824, 854, 889, 1016, 1133, 1342, 1397, 1442, 1708, 1778, 2266, 2684, 2794, 2884, 3416, 3556, 4532, 4697, 5368, 5588, 5768, 6283, 7112, 7747, 7931, 9064, 9394, 9779, 11176, 12566, 13081, 15494, 15862, 18788, 19558, 25132, 26162, 30988, 31724, 37576, 39116, 43981, 50264, 52324, 54229, 61976, 63448, 69113, 78232, 85217, 87962, 91567, 104648, 108458, 138226, 143891, 170434, 175924, 183134, 216916, 276452, 287782, 340868, 351848, 366268, 433832, 483791, 552904, 575564, 596519, 681736, 732536, 797941, 967582, 1007237, 1151128, 1193038, 1595882, 1935164, 2014474, 2386076, 3191764, 3870328, 4028948, 4772152, 5585587, 6383528, 8057896, 8777351, 11171174, 17554702, 22342348, 35109404, 44684696, 61441457, 70218808, 122882914, 245765828, 491531656]

約数ペア:

[(1, 491531656), (2, 245765828), (4, 122882914), (7, 70218808), (8, 61441457), (11, 44684696), (14, 35109404), (22, 22342348), (28, 17554702), (44, 11171174), (56, 8777351), (61, 8057896), (77, 6383528), (88, 5585587), (103, 4772152), (122, 4028948), (127, 3870328), (154, 3191764), (206, 2386076), (244, 2014474), (254, 1935164), (308, 1595882), (412, 1193038), (427, 1151128), (488, 1007237), (508, 967582), (616, 797941), (671, 732536), (721, 681736), (824, 596519), (854, 575564), (889, 552904), (1016, 483791), (1133, 433832), (1342, 366268), (1397, 351848), (1442, 340868), (1708, 287782), (1778, 276452), (2266, 216916), (2684, 183134), (2794, 175924), (2884, 170434), (3416, 143891), (3556, 138226), (4532, 108458), (4697, 104648), (5368, 91567), (5588, 87962), (5768, 85217), (6283, 78232), (7112, 69113), (7747, 63448), (7931, 61976), (9064, 54229), (9394, 52324), (9779, 50264), (11176, 43981), (12566, 39116), (13081, 37576), (15494, 31724), (15862, 30988), (18788, 26162), (19558, 25132)]