637630968

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 1828915200

約数和(自身を除く): 1191284232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 239, 312, 408, 442, 478, 503, 663, 717, 884, 956, 1006, 1326, 1434, 1509, 1768, 1912, 2012, 2652, 2868, 3018, 3107, 4024, 4063, 5304, 5736, 6036, 6214, 6539, 8126, 8551, 9321, 12072, 12189, 12428, 13078, 16252, 17102, 18642, 19617, 24378, 24856, 25653, 26156, 32504, 34204, 37284, 39234, 48756, 51306, 52312, 52819, 68408, 74568, 78468, 97512, 102612, 105638, 111163, 120217, 156936, 158457, 205224, 211276, 222326, 240434, 316914, 333489, 360651, 422552, 444652, 480868, 633828, 666978, 721302, 889304, 961736, 1267656, 1333956, 1442604, 1562821, 2043689, 2667912, 2885208, 3125642, 4087378, 4688463, 6131067, 6251284, 8174756, 9376926, 12262134, 12502568, 16349512, 18753852, 24524268, 26567957, 37507704, 49048536, 53135914, 79703871, 106271828, 159407742, 212543656, 318815484, 637630968]

約数ペア:

[(1, 637630968), (2, 318815484), (3, 212543656), (4, 159407742), (6, 106271828), (8, 79703871), (12, 53135914), (13, 49048536), (17, 37507704), (24, 26567957), (26, 24524268), (34, 18753852), (39, 16349512), (51, 12502568), (52, 12262134), (68, 9376926), (78, 8174756), (102, 6251284), (104, 6131067), (136, 4688463), (156, 4087378), (204, 3125642), (221, 2885208), (239, 2667912), (312, 2043689), (408, 1562821), (442, 1442604), (478, 1333956), (503, 1267656), (663, 961736), (717, 889304), (884, 721302), (956, 666978), (1006, 633828), (1326, 480868), (1434, 444652), (1509, 422552), (1768, 360651), (1912, 333489), (2012, 316914), (2652, 240434), (2868, 222326), (3018, 211276), (3107, 205224), (4024, 158457), (4063, 156936), (5304, 120217), (5736, 111163), (6036, 105638), (6214, 102612), (6539, 97512), (8126, 78468), (8551, 74568), (9321, 68408), (12072, 52819), (12189, 52312), (12428, 51306), (13078, 48756), (16252, 39234), (17102, 37284), (18642, 34204), (19617, 32504), (24378, 26156), (24856, 25653)]