25978155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 51314688

約数和(自身を除く): 25336533

約数列:

[1, 3, 5, 7, 15, 21, 23, 31, 35, 69, 93, 105, 115, 155, 161, 217, 345, 347, 465, 483, 651, 713, 805, 1041, 1085, 1735, 2139, 2415, 2429, 3255, 3565, 4991, 5205, 7287, 7981, 10695, 10757, 12145, 14973, 23943, 24955, 32271, 36435, 39905, 53785, 55867, 74865, 75299, 119715, 161355, 167601, 225897, 247411, 279335, 376495, 742233, 838005, 1129485, 1237055, 1731877, 3711165, 5195631, 8659385, 25978155]

約数ペア:

[(1, 25978155), (3, 8659385), (5, 5195631), (7, 3711165), (15, 1731877), (21, 1237055), (23, 1129485), (31, 838005), (35, 742233), (69, 376495), (93, 279335), (105, 247411), (115, 225897), (155, 167601), (161, 161355), (217, 119715), (345, 75299), (347, 74865), (465, 55867), (483, 53785), (651, 39905), (713, 36435), (805, 32271), (1041, 24955), (1085, 23943), (1735, 14973), (2139, 12145), (2415, 10757), (2429, 10695), (3255, 7981), (3565, 7287), (4991, 5205)]