256318296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7537}}^1$

素因数の和:7668

約数の個数: 64

約数和(自身を含む): 696511200

約数和(自身を除く): 440192904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 654, 872, 1308, 1417, 2616, 2834, 4251, 5668, 7537, 8502, 11336, 15074, 17004, 22611, 30148, 34008, 45222, 60296, 90444, 97981, 180888, 195962, 293943, 391924, 587886, 783848, 821533, 1175772, 1643066, 2351544, 2464599, 3286132, 4929198, 6572264, 9858396, 10679929, 19716792, 21359858, 32039787, 42719716, 64079574, 85439432, 128159148, 256318296]

約数ペア:

[(1, 256318296), (2, 128159148), (3, 85439432), (4, 64079574), (6, 42719716), (8, 32039787), (12, 21359858), (13, 19716792), (24, 10679929), (26, 9858396), (39, 6572264), (52, 4929198), (78, 3286132), (104, 2464599), (109, 2351544), (156, 1643066), (218, 1175772), (312, 821533), (327, 783848), (436, 587886), (654, 391924), (872, 293943), (1308, 195962), (1417, 180888), (2616, 97981), (2834, 90444), (4251, 60296), (5668, 45222), (7537, 34008), (8502, 30148), (11336, 22611), (15074, 17004)]