28349308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 55444480

約数和(自身を除く): 27095172

約数列:

[1, 2, 4, 13, 26, 52, 67, 79, 103, 134, 158, 206, 268, 316, 412, 871, 1027, 1339, 1742, 2054, 2678, 3484, 4108, 5293, 5356, 6901, 8137, 10586, 13802, 16274, 21172, 27604, 32548, 68809, 89713, 105781, 137618, 179426, 211562, 275236, 358852, 423124, 545179, 1090358, 2180716, 7087327, 14174654, 28349308]

約数ペア:

[(1, 28349308), (2, 14174654), (4, 7087327), (13, 2180716), (26, 1090358), (52, 545179), (67, 423124), (79, 358852), (103, 275236), (134, 211562), (158, 179426), (206, 137618), (268, 105781), (316, 89713), (412, 68809), (871, 32548), (1027, 27604), (1339, 21172), (1742, 16274), (2054, 13802), (2678, 10586), (3484, 8137), (4108, 6901), (5293, 5356)]