31275784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 34042616

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 71, 79, 82, 136, 142, 158, 164, 284, 316, 328, 568, 632, 697, 1207, 1343, 1394, 2414, 2686, 2788, 2911, 3239, 4828, 5372, 5576, 5609, 5822, 6478, 9656, 10744, 11218, 11644, 12956, 22436, 23288, 25912, 44872, 49487, 55063, 95353, 98974, 110126, 190706, 197948, 220252, 229969, 381412, 395896, 440504, 459938, 762824, 919876, 1839752, 3909473, 7818946, 15637892, 31275784]

約数ペア:

[(1, 31275784), (2, 15637892), (4, 7818946), (8, 3909473), (17, 1839752), (34, 919876), (41, 762824), (68, 459938), (71, 440504), (79, 395896), (82, 381412), (136, 229969), (142, 220252), (158, 197948), (164, 190706), (284, 110126), (316, 98974), (328, 95353), (568, 55063), (632, 49487), (697, 44872), (1207, 25912), (1343, 23288), (1394, 22436), (2414, 12956), (2686, 11644), (2788, 11218), (2911, 10744), (3239, 9656), (4828, 6478), (5372, 5822), (5576, 5609)]