2005491904

素因数分解:

$2^6\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:907

約数の個数: 112

約数和(自身を含む): 4570171200

約数和(自身を除く): 2564679296

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 169, 208, 221, 272, 338, 416, 442, 544, 676, 832, 839, 884, 1088, 1352, 1678, 1768, 2197, 2704, 2873, 3356, 3536, 4394, 5408, 5746, 6712, 7072, 8788, 10816, 10907, 11492, 13424, 14144, 14263, 17576, 21814, 22984, 26848, 28526, 35152, 37349, 43628, 45968, 53696, 57052, 70304, 74698, 87256, 91936, 114104, 140608, 141791, 149396, 174512, 183872, 185419, 228208, 283582, 298792, 349024, 370838, 456416, 567164, 597584, 698048, 741676, 912832, 1134328, 1195168, 1483352, 1843283, 2268656, 2390336, 2410447, 2966704, 3686566, 4537312, 4820894, 5933408, 7373132, 9074624, 9641788, 11866816, 14746264, 19283576, 29492528, 31335811, 38567152, 58985056, 62671622, 77134304, 117970112, 125343244, 154268608, 250686488, 501372976, 1002745952, 2005491904]

約数ペア:

[(1, 2005491904), (2, 1002745952), (4, 501372976), (8, 250686488), (13, 154268608), (16, 125343244), (17, 117970112), (26, 77134304), (32, 62671622), (34, 58985056), (52, 38567152), (64, 31335811), (68, 29492528), (104, 19283576), (136, 14746264), (169, 11866816), (208, 9641788), (221, 9074624), (272, 7373132), (338, 5933408), (416, 4820894), (442, 4537312), (544, 3686566), (676, 2966704), (832, 2410447), (839, 2390336), (884, 2268656), (1088, 1843283), (1352, 1483352), (1678, 1195168), (1768, 1134328), (2197, 912832), (2704, 741676), (2873, 698048), (3356, 597584), (3536, 567164), (4394, 456416), (5408, 370838), (5746, 349024), (6712, 298792), (7072, 283582), (8788, 228208), (10816, 185419), (10907, 183872), (11492, 174512), (13424, 149396), (14144, 141791), (14263, 140608), (17576, 114104), (21814, 91936), (22984, 87256), (26848, 74698), (28526, 70304), (35152, 57052), (37349, 53696), (43628, 45968)]