51994245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 93312000

約数和(自身を除く): 41317755

約数列:

[1, 3, 5, 15, 17, 29, 51, 79, 85, 87, 89, 145, 237, 255, 267, 395, 435, 445, 493, 1185, 1335, 1343, 1479, 1513, 2291, 2465, 2581, 4029, 4539, 6715, 6873, 7031, 7395, 7565, 7743, 11455, 12905, 20145, 21093, 22695, 34365, 35155, 38715, 38947, 43877, 105465, 116841, 119527, 131631, 194735, 203899, 219385, 358581, 584205, 597635, 611697, 658155, 1019495, 1792905, 3058485, 3466283, 10398849, 17331415, 51994245]

約数ペア:

[(1, 51994245), (3, 17331415), (5, 10398849), (15, 3466283), (17, 3058485), (29, 1792905), (51, 1019495), (79, 658155), (85, 611697), (87, 597635), (89, 584205), (145, 358581), (237, 219385), (255, 203899), (267, 194735), (395, 131631), (435, 119527), (445, 116841), (493, 105465), (1185, 43877), (1335, 38947), (1343, 38715), (1479, 35155), (1513, 34365), (2291, 22695), (2465, 21093), (2581, 20145), (4029, 12905), (4539, 11455), (6715, 7743), (6873, 7565), (7031, 7395)]