15691340485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{38231}}^1$

素因数の和:38385

約数の個数: 32

約数和(自身を含む): 20347987968

約数和(自身を除く): 4656647483

約数列:

[1, 5, 23, 43, 83, 115, 215, 415, 989, 1909, 3569, 4945, 9545, 17845, 38231, 82087, 191155, 410435, 879313, 1643933, 3173173, 4396565, 8219665, 15865865, 37810459, 72982979, 136446439, 189052295, 364914895, 682232195, 3138268097, 15691340485]

約数ペア:

[(1, 15691340485), (5, 3138268097), (23, 682232195), (43, 364914895), (83, 189052295), (115, 136446439), (215, 72982979), (415, 37810459), (989, 15865865), (1909, 8219665), (3569, 4396565), (4945, 3173173), (9545, 1643933), (17845, 879313), (38231, 410435), (82087, 191155)]