12956528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 27269088

約数和(自身を除く): 14312560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 373, 668, 746, 1336, 1492, 2171, 2672, 2984, 4342, 4849, 5968, 8684, 9698, 17368, 19396, 34736, 38792, 62291, 77584, 124582, 249164, 498328, 809783, 996656, 1619566, 3239132, 6478264, 12956528]

約数ペア:

[(1, 12956528), (2, 6478264), (4, 3239132), (8, 1619566), (13, 996656), (16, 809783), (26, 498328), (52, 249164), (104, 124582), (167, 77584), (208, 62291), (334, 38792), (373, 34736), (668, 19396), (746, 17368), (1336, 9698), (1492, 8684), (2171, 5968), (2672, 4849), (2984, 4342)]