249461828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2601

約数の個数: 72

約数和(自身を含む): 567537600

約数和(自身を除く): 318075772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 121, 154, 203, 242, 308, 319, 406, 484, 638, 812, 847, 1276, 1694, 2233, 2539, 3388, 3509, 4466, 5078, 7018, 8932, 10156, 14036, 17773, 24563, 27929, 35546, 49126, 55858, 71092, 73631, 98252, 111716, 147262, 195503, 294524, 307219, 391006, 515417, 614438, 782012, 809941, 1030834, 1228876, 1619882, 2061668, 2150533, 3239764, 4301066, 5669587, 8602132, 8909351, 11339174, 17818702, 22678348, 35637404, 62365457, 124730914, 249461828]

約数ペア:

[(1, 249461828), (2, 124730914), (4, 62365457), (7, 35637404), (11, 22678348), (14, 17818702), (22, 11339174), (28, 8909351), (29, 8602132), (44, 5669587), (58, 4301066), (77, 3239764), (116, 2150533), (121, 2061668), (154, 1619882), (203, 1228876), (242, 1030834), (308, 809941), (319, 782012), (406, 614438), (484, 515417), (638, 391006), (812, 307219), (847, 294524), (1276, 195503), (1694, 147262), (2233, 111716), (2539, 98252), (3388, 73631), (3509, 71092), (4466, 55858), (5078, 49126), (7018, 35546), (8932, 27929), (10156, 24563), (14036, 17773)]