28199652

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 71359680

約数和(自身を除く): 43160028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1109, 1956, 2119, 2218, 3327, 4238, 4436, 6357, 6654, 8476, 12714, 13308, 14417, 25428, 28834, 43251, 57668, 86502, 173004, 180767, 361534, 542301, 723068, 1084602, 2169204, 2349971, 4699942, 7049913, 9399884, 14099826, 28199652]

約数ペア:

[(1, 28199652), (2, 14099826), (3, 9399884), (4, 7049913), (6, 4699942), (12, 2349971), (13, 2169204), (26, 1084602), (39, 723068), (52, 542301), (78, 361534), (156, 180767), (163, 173004), (326, 86502), (489, 57668), (652, 43251), (978, 28834), (1109, 25428), (1956, 14417), (2119, 13308), (2218, 12714), (3327, 8476), (4238, 6654), (4436, 6357)]