649570964

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{4937}}^1$

素因数の和:5112

約数の個数: 48

約数和(自身を含む): 1345032192

約数和(自身を除く): 695461228

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 127, 148, 254, 259, 508, 518, 889, 1036, 1778, 3556, 4699, 4937, 9398, 9874, 18796, 19748, 32893, 34559, 65786, 69118, 131572, 138236, 182669, 365338, 626999, 730676, 1253998, 1278683, 2507996, 2557366, 4388993, 5114732, 8777986, 17555972, 23198963, 46397926, 92795852, 162392741, 324785482, 649570964]

約数ペア:

[(1, 649570964), (2, 324785482), (4, 162392741), (7, 92795852), (14, 46397926), (28, 23198963), (37, 17555972), (74, 8777986), (127, 5114732), (148, 4388993), (254, 2557366), (259, 2507996), (508, 1278683), (518, 1253998), (889, 730676), (1036, 626999), (1778, 365338), (3556, 182669), (4699, 138236), (4937, 131572), (9398, 69118), (9874, 65786), (18796, 34559), (19748, 32893)]