129820028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{28051}}^1$

素因数の和:28157

約数の個数: 24

約数和(自身を含む): 247418640

約数和(自身を除く): 117598612

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 28051, 56102, 112204, 364663, 729326, 1458652, 2496539, 4993078, 9986156, 32455007, 64910014, 129820028]

約数ペア:

[(1, 129820028), (2, 64910014), (4, 32455007), (13, 9986156), (26, 4993078), (52, 2496539), (89, 1458652), (178, 729326), (356, 364663), (1157, 112204), (2314, 56102), (4628, 28051)]