4019015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 6613824

約数和(自身を除く): 2594809

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 73, 77, 91, 121, 143, 365, 385, 455, 511, 605, 715, 803, 847, 949, 1001, 1573, 2555, 4015, 4235, 4745, 5005, 5621, 6643, 7865, 8833, 10439, 11011, 28105, 33215, 44165, 52195, 55055, 61831, 73073, 114829, 309155, 365365, 574145, 803803, 4019015]

約数ペア:

[(1, 4019015), (5, 803803), (7, 574145), (11, 365365), (13, 309155), (35, 114829), (55, 73073), (65, 61831), (73, 55055), (77, 52195), (91, 44165), (121, 33215), (143, 28105), (365, 11011), (385, 10439), (455, 8833), (511, 7865), (605, 6643), (715, 5621), (803, 5005), (847, 4745), (949, 4235), (1001, 4015), (1573, 2555)]