31409144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4951}}^1$

素因数の和:5031

約数の個数: 32

約数和(自身を含む): 64475040

約数和(自身を除く): 33065896

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 4951, 6344, 9902, 19804, 39608, 64363, 128726, 257452, 302011, 514904, 604022, 1208044, 2416088, 3926143, 7852286, 15704572, 31409144]

約数ペア:

[(1, 31409144), (2, 15704572), (4, 7852286), (8, 3926143), (13, 2416088), (26, 1208044), (52, 604022), (61, 514904), (104, 302011), (122, 257452), (244, 128726), (488, 64363), (793, 39608), (1586, 19804), (3172, 9902), (4951, 6344)]