13218212

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 27498240

約数和(自身を除く): 14280028

約数列:

[1, 2, 4, 7, 14, 28, 61, 71, 109, 122, 142, 218, 244, 284, 427, 436, 497, 763, 854, 994, 1526, 1708, 1988, 3052, 4331, 6649, 7739, 8662, 13298, 15478, 17324, 26596, 30317, 30956, 46543, 54173, 60634, 93086, 108346, 121268, 186172, 216692, 472079, 944158, 1888316, 3304553, 6609106, 13218212]

約数ペア:

[(1, 13218212), (2, 6609106), (4, 3304553), (7, 1888316), (14, 944158), (28, 472079), (61, 216692), (71, 186172), (109, 121268), (122, 108346), (142, 93086), (218, 60634), (244, 54173), (284, 46543), (427, 30956), (436, 30317), (497, 26596), (763, 17324), (854, 15478), (994, 13298), (1526, 8662), (1708, 7739), (1988, 6649), (3052, 4331)]