31267964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 74059776

約数和(自身を除く): 42791812

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 31, 34, 52, 62, 68, 91, 119, 124, 163, 182, 217, 221, 238, 326, 364, 403, 434, 442, 476, 527, 652, 806, 868, 884, 1054, 1141, 1547, 1612, 2108, 2119, 2282, 2771, 2821, 3094, 3689, 4238, 4564, 5053, 5542, 5642, 6188, 6851, 7378, 8476, 10106, 11084, 11284, 13702, 14756, 14833, 19397, 20212, 27404, 29666, 35371, 36023, 38794, 47957, 59332, 65689, 70742, 72046, 77588, 85901, 95914, 131378, 141484, 144092, 171802, 191828, 252161, 262756, 343604, 459823, 504322, 601307, 919646, 1008644, 1116713, 1202614, 1839292, 2233426, 2405228, 4466852, 7816991, 15633982, 31267964]

約数ペア:

[(1, 31267964), (2, 15633982), (4, 7816991), (7, 4466852), (13, 2405228), (14, 2233426), (17, 1839292), (26, 1202614), (28, 1116713), (31, 1008644), (34, 919646), (52, 601307), (62, 504322), (68, 459823), (91, 343604), (119, 262756), (124, 252161), (163, 191828), (182, 171802), (217, 144092), (221, 141484), (238, 131378), (326, 95914), (364, 85901), (403, 77588), (434, 72046), (442, 70742), (476, 65689), (527, 59332), (652, 47957), (806, 38794), (868, 36023), (884, 35371), (1054, 29666), (1141, 27404), (1547, 20212), (1612, 19397), (2108, 14833), (2119, 14756), (2282, 13702), (2771, 11284), (2821, 11084), (3094, 10106), (3689, 8476), (4238, 7378), (4564, 6851), (5053, 6188), (5542, 5642)]