28963428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{463}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 73118976

約数和(自身を除く): 44155548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 401, 463, 802, 926, 1203, 1389, 1604, 1852, 2406, 2778, 4812, 5213, 5556, 6019, 10426, 12038, 15639, 18057, 20852, 24076, 31278, 36114, 62556, 72228, 185663, 371326, 556989, 742652, 1113978, 2227956, 2413619, 4827238, 7240857, 9654476, 14481714, 28963428]

約数ペア:

[(1, 28963428), (2, 14481714), (3, 9654476), (4, 7240857), (6, 4827238), (12, 2413619), (13, 2227956), (26, 1113978), (39, 742652), (52, 556989), (78, 371326), (156, 185663), (401, 72228), (463, 62556), (802, 36114), (926, 31278), (1203, 24076), (1389, 20852), (1604, 18057), (1852, 15639), (2406, 12038), (2778, 10426), (4812, 6019), (5213, 5556)]