31870904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^2$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 68279400

約数和(自身を除く): 36408496

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 127, 152, 247, 254, 494, 508, 988, 1016, 1651, 1976, 2413, 3302, 4826, 6604, 9652, 13208, 16129, 19304, 31369, 32258, 62738, 64516, 125476, 129032, 209677, 250952, 306451, 419354, 612902, 838708, 1225804, 1677416, 2451608, 3983863, 7967726, 15935452, 31870904]

約数ペア:

[(1, 31870904), (2, 15935452), (4, 7967726), (8, 3983863), (13, 2451608), (19, 1677416), (26, 1225804), (38, 838708), (52, 612902), (76, 419354), (104, 306451), (127, 250952), (152, 209677), (247, 129032), (254, 125476), (494, 64516), (508, 62738), (988, 32258), (1016, 31369), (1651, 19304), (1976, 16129), (2413, 13208), (3302, 9652), (4826, 6604)]