77778248

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2141}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 154224000

約数和(自身を除く): 76445752

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 956, 1912, 2141, 4282, 4541, 8564, 9082, 17128, 18164, 36328, 40679, 81358, 162716, 325432, 511699, 1023398, 2046796, 4093592, 9722281, 19444562, 38889124, 77778248]

約数ペア:

[(1, 77778248), (2, 38889124), (4, 19444562), (8, 9722281), (19, 4093592), (38, 2046796), (76, 1023398), (152, 511699), (239, 325432), (478, 162716), (956, 81358), (1912, 40679), (2141, 36328), (4282, 18164), (4541, 17128), (8564, 9082)]