31878444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 80618720

約数和(自身を除く): 48740276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 724, 1086, 1129, 2172, 2258, 2353, 3387, 4516, 4706, 6774, 7059, 9412, 13548, 14118, 14677, 28236, 29354, 44031, 58708, 88062, 176124, 204349, 408698, 613047, 817396, 1226094, 2452188, 2656537, 5313074, 7969611, 10626148, 15939222, 31878444]

約数ペア:

[(1, 31878444), (2, 15939222), (3, 10626148), (4, 7969611), (6, 5313074), (12, 2656537), (13, 2452188), (26, 1226094), (39, 817396), (52, 613047), (78, 408698), (156, 204349), (181, 176124), (362, 88062), (543, 58708), (724, 44031), (1086, 29354), (1129, 28236), (2172, 14677), (2258, 14118), (2353, 13548), (3387, 9412), (4516, 7059), (4706, 6774)]