328666856

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 729600000

約数和(自身を除く): 400933144

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 127, 148, 254, 259, 296, 508, 518, 889, 1016, 1036, 1249, 1778, 2072, 2498, 3556, 4699, 4996, 7112, 8743, 9398, 9992, 17486, 18796, 32893, 34972, 37592, 46213, 65786, 69944, 92426, 131572, 158623, 184852, 263144, 317246, 323491, 369704, 634492, 646982, 1110361, 1268984, 1293964, 2220722, 2587928, 4441444, 5869051, 8882888, 11738102, 23476204, 41083357, 46952408, 82166714, 164333428, 328666856]

約数ペア:

[(1, 328666856), (2, 164333428), (4, 82166714), (7, 46952408), (8, 41083357), (14, 23476204), (28, 11738102), (37, 8882888), (56, 5869051), (74, 4441444), (127, 2587928), (148, 2220722), (254, 1293964), (259, 1268984), (296, 1110361), (508, 646982), (518, 634492), (889, 369704), (1016, 323491), (1036, 317246), (1249, 263144), (1778, 184852), (2072, 158623), (2498, 131572), (3556, 92426), (4699, 69944), (4996, 65786), (7112, 46213), (8743, 37592), (9398, 34972), (9992, 32893), (17486, 18796)]