28193776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 59527440

約数和(自身を除く): 31333664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 1523, 2314, 3046, 4628, 6092, 9256, 12184, 18512, 19799, 24368, 39598, 79196, 135547, 158392, 271094, 316784, 542188, 1084376, 1762111, 2168752, 3524222, 7048444, 14096888, 28193776]

約数ペア:

[(1, 28193776), (2, 14096888), (4, 7048444), (8, 3524222), (13, 2168752), (16, 1762111), (26, 1084376), (52, 542188), (89, 316784), (104, 271094), (178, 158392), (208, 135547), (356, 79196), (712, 39598), (1157, 24368), (1424, 19799), (1523, 18512), (2314, 12184), (3046, 9256), (4628, 6092)]