64978367056

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{222127}}^1$

素因数の和:222571

約数の個数: 40

約数和(自身を含む): 128905320960

約数和(自身を除く): 63926953904

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 389, 752, 778, 1556, 3112, 6224, 18283, 36566, 73132, 146264, 222127, 292528, 444254, 888508, 1777016, 3554032, 10439969, 20879938, 41759876, 83519752, 86407403, 167039504, 172814806, 345629612, 691259224, 1382518448, 4061147941, 8122295882, 16244591764, 32489183528, 64978367056]

約数ペア:

[(1, 64978367056), (2, 32489183528), (4, 16244591764), (8, 8122295882), (16, 4061147941), (47, 1382518448), (94, 691259224), (188, 345629612), (376, 172814806), (389, 167039504), (752, 86407403), (778, 83519752), (1556, 41759876), (3112, 20879938), (6224, 10439969), (18283, 3554032), (36566, 1777016), (73132, 888508), (146264, 444254), (222127, 292528)]