2178215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 32

約数和(自身を含む): 3096576

約数和(自身を除く): 918361

約数列:

[1, 5, 13, 23, 31, 47, 65, 115, 155, 235, 299, 403, 611, 713, 1081, 1457, 1495, 2015, 3055, 3565, 5405, 7285, 9269, 14053, 18941, 33511, 46345, 70265, 94705, 167555, 435643, 2178215]

約数ペア:

[(1, 2178215), (5, 435643), (13, 167555), (23, 94705), (31, 70265), (47, 46345), (65, 33511), (115, 18941), (155, 14053), (235, 9269), (299, 7285), (403, 5405), (611, 3565), (713, 3055), (1081, 2015), (1457, 1495)]