12678472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 25200000

約数和(自身を除く): 12521528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 349, 478, 698, 956, 1396, 1912, 2792, 4541, 6631, 9082, 13262, 18164, 26524, 36328, 53048, 83411, 166822, 333644, 667288, 1584809, 3169618, 6339236, 12678472]

約数ペア:

[(1, 12678472), (2, 6339236), (4, 3169618), (8, 1584809), (19, 667288), (38, 333644), (76, 166822), (152, 83411), (239, 53048), (349, 36328), (478, 26524), (698, 18164), (956, 13262), (1396, 9082), (1912, 6631), (2792, 4541)]