289756516

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4517}}^1$

素因数の和:4636

約数の個数: 48

約数和(自身を含む): 607219200

約数和(自身を除く): 317462684

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 79, 116, 158, 203, 316, 406, 553, 812, 1106, 2212, 2291, 4517, 4582, 9034, 9164, 16037, 18068, 31619, 32074, 63238, 64148, 126476, 130993, 261986, 356843, 523972, 713686, 916951, 1427372, 1833902, 2497901, 3667804, 4995802, 9991604, 10348447, 20696894, 41393788, 72439129, 144878258, 289756516]

約数ペア:

[(1, 289756516), (2, 144878258), (4, 72439129), (7, 41393788), (14, 20696894), (28, 10348447), (29, 9991604), (58, 4995802), (79, 3667804), (116, 2497901), (158, 1833902), (203, 1427372), (316, 916951), (406, 713686), (553, 523972), (812, 356843), (1106, 261986), (2212, 130993), (2291, 126476), (4517, 64148), (4582, 63238), (9034, 32074), (9164, 31619), (16037, 18068)]