78128895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2689}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 135576000

約数和(自身を除く): 57447105

約数列:

[1, 3, 5, 13, 15, 39, 65, 149, 195, 447, 745, 1937, 2235, 2689, 5811, 8067, 9685, 13445, 29055, 34957, 40335, 104871, 174785, 400661, 524355, 1201983, 2003305, 5208593, 6009915, 15625779, 26042965, 78128895]

約数ペア:

[(1, 78128895), (3, 26042965), (5, 15625779), (13, 6009915), (15, 5208593), (39, 2003305), (65, 1201983), (149, 524355), (195, 400661), (447, 174785), (745, 104871), (1937, 40335), (2235, 34957), (2689, 29055), (5811, 13445), (8067, 9685)]