128473478

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1553}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 232727040

約数和(自身を除く): 104253562

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 311, 622, 1553, 2177, 3106, 4354, 5909, 10871, 11818, 21742, 29507, 41363, 59014, 82726, 206549, 413098, 482983, 965966, 3380881, 6761762, 9176677, 18353354, 64236739, 128473478]

約数ペア:

[(1, 128473478), (2, 64236739), (7, 18353354), (14, 9176677), (19, 6761762), (38, 3380881), (133, 965966), (266, 482983), (311, 413098), (622, 206549), (1553, 82726), (2177, 59014), (3106, 41363), (4354, 29507), (5909, 21742), (10871, 11818)]