129806456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{5179}}^1$

素因数の和:5439

約数の個数: 32

約数和(自身を含む): 263247600

約数和(自身を除く): 133441144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 241, 482, 964, 1928, 3133, 5179, 6266, 10358, 12532, 20716, 25064, 41432, 67327, 134654, 269308, 538616, 1248139, 2496278, 4992556, 9985112, 16225807, 32451614, 64903228, 129806456]

約数ペア:

[(1, 129806456), (2, 64903228), (4, 32451614), (8, 16225807), (13, 9985112), (26, 4992556), (52, 2496278), (104, 1248139), (241, 538616), (482, 269308), (964, 134654), (1928, 67327), (3133, 41432), (5179, 25064), (6266, 20716), (10358, 12532)]