28397656

素因数分解:

$2^3\times 7^3\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 63360000

約数和(自身を除く): 34962344

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 131, 158, 196, 262, 316, 343, 392, 524, 553, 632, 686, 917, 1048, 1106, 1372, 1834, 2212, 2744, 3668, 3871, 4424, 6419, 7336, 7742, 10349, 12838, 15484, 20698, 25676, 27097, 30968, 41396, 44933, 51352, 54194, 72443, 82792, 89866, 108388, 144886, 179732, 216776, 289772, 359464, 507101, 579544, 1014202, 2028404, 3549707, 4056808, 7099414, 14198828, 28397656]

約数ペア:

[(1, 28397656), (2, 14198828), (4, 7099414), (7, 4056808), (8, 3549707), (14, 2028404), (28, 1014202), (49, 579544), (56, 507101), (79, 359464), (98, 289772), (131, 216776), (158, 179732), (196, 144886), (262, 108388), (316, 89866), (343, 82792), (392, 72443), (524, 54194), (553, 51352), (632, 44933), (686, 41396), (917, 30968), (1048, 27097), (1106, 25676), (1372, 20698), (1834, 15484), (2212, 12838), (2744, 10349), (3668, 7742), (3871, 7336), (4424, 6419)]