25986948026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2\times {\mathrm{1999}}^1$

素因数の和:2299

約数の個数: 48

約数和(自身を含む): 43698816000

約数和(自身を除く): 17711867974

約数列:

[1, 2, 13, 26, 31, 62, 127, 254, 403, 806, 1651, 1999, 3302, 3937, 3998, 7874, 16129, 25987, 32258, 51181, 51974, 61969, 102362, 123938, 209677, 253873, 419354, 499999, 507746, 805597, 999998, 1611194, 3300349, 6499987, 6600698, 7870063, 12999974, 15740126, 32241871, 64483742, 102310819, 204621638, 419144323, 838288646, 999498001, 1998996002, 12993474013, 25986948026]

約数ペア:

[(1, 25986948026), (2, 12993474013), (13, 1998996002), (26, 999498001), (31, 838288646), (62, 419144323), (127, 204621638), (254, 102310819), (403, 64483742), (806, 32241871), (1651, 15740126), (1999, 12999974), (3302, 7870063), (3937, 6600698), (3998, 6499987), (7874, 3300349), (16129, 1611194), (25987, 999998), (32258, 805597), (51181, 507746), (51974, 499999), (61969, 419354), (102362, 253873), (123938, 209677)]