247958128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19843}}^1$

素因数の和:19933

約数の個数: 40

約数和(自身を含む): 531501696

約数和(自身を除く): 283543568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 19843, 39686, 79372, 158744, 218273, 317488, 436546, 873092, 1408853, 1746184, 2817706, 3492368, 5635412, 11270824, 15497383, 22541648, 30994766, 61989532, 123979064, 247958128]

約数ペア:

[(1, 247958128), (2, 123979064), (4, 61989532), (8, 30994766), (11, 22541648), (16, 15497383), (22, 11270824), (44, 5635412), (71, 3492368), (88, 2817706), (142, 1746184), (176, 1408853), (284, 873092), (568, 436546), (781, 317488), (1136, 218273), (1562, 158744), (3124, 79372), (6248, 39686), (12496, 19843)]