123140992

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 270491760

約数和(自身を除く): 147350768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 1664, 1721, 2236, 2752, 3442, 4472, 5504, 6884, 8944, 13768, 17888, 22373, 27536, 35776, 44746, 55072, 71552, 74003, 89492, 110144, 148006, 178984, 220288, 296012, 357968, 592024, 715936, 962039, 1184048, 1431872, 1924078, 2368096, 2863744, 3848156, 4736192, 7696312, 9472384, 15392624, 30785248, 61570496, 123140992]

約数ペア:

[(1, 123140992), (2, 61570496), (4, 30785248), (8, 15392624), (13, 9472384), (16, 7696312), (26, 4736192), (32, 3848156), (43, 2863744), (52, 2368096), (64, 1924078), (86, 1431872), (104, 1184048), (128, 962039), (172, 715936), (208, 592024), (344, 357968), (416, 296012), (559, 220288), (688, 178984), (832, 148006), (1118, 110144), (1376, 89492), (1664, 74003), (1721, 71552), (2236, 55072), (2752, 44746), (3442, 35776), (4472, 27536), (5504, 22373), (6884, 17888), (8944, 13768)]