28193704

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1298

約数の個数: 64

約数和(自身を含む): 67743360

約数和(自身を除く): 39549656

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 1036, 1237, 1628, 2072, 2474, 2849, 3256, 4948, 5698, 8659, 9896, 11396, 13607, 17318, 22792, 27214, 34636, 45769, 54428, 69272, 91538, 95249, 108856, 183076, 190498, 320383, 366152, 380996, 503459, 640766, 761992, 1006918, 1281532, 2013836, 2563064, 3524213, 4027672, 7048426, 14096852, 28193704]

約数ペア:

[(1, 28193704), (2, 14096852), (4, 7048426), (7, 4027672), (8, 3524213), (11, 2563064), (14, 2013836), (22, 1281532), (28, 1006918), (37, 761992), (44, 640766), (56, 503459), (74, 380996), (77, 366152), (88, 320383), (148, 190498), (154, 183076), (259, 108856), (296, 95249), (308, 91538), (407, 69272), (518, 54428), (616, 45769), (814, 34636), (1036, 27214), (1237, 22792), (1628, 17318), (2072, 13607), (2474, 11396), (2849, 9896), (3256, 8659), (4948, 5698)]