13878545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 19077120

約数和(自身を除く): 5198575

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 229, 391, 527, 713, 1145, 1955, 2635, 3565, 3893, 5267, 7099, 12121, 19465, 26335, 35495, 60605, 89539, 120683, 163277, 447695, 603415, 816385, 2775709, 13878545]

約数ペア:

[(1, 13878545), (5, 2775709), (17, 816385), (23, 603415), (31, 447695), (85, 163277), (115, 120683), (155, 89539), (229, 60605), (391, 35495), (527, 26335), (713, 19465), (1145, 12121), (1955, 7099), (2635, 5267), (3565, 3893)]