28749136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 60699240

約数和(自身を除く): 31950104

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 1553, 2314, 3106, 4628, 6212, 9256, 12424, 18512, 20189, 24848, 40378, 80756, 138217, 161512, 276434, 323024, 552868, 1105736, 1796821, 2211472, 3593642, 7187284, 14374568, 28749136]

約数ペア:

[(1, 28749136), (2, 14374568), (4, 7187284), (8, 3593642), (13, 2211472), (16, 1796821), (26, 1105736), (52, 552868), (89, 323024), (104, 276434), (178, 161512), (208, 138217), (356, 80756), (712, 40378), (1157, 24848), (1424, 20189), (1553, 18512), (2314, 12424), (3106, 9256), (4628, 6212)]