397611005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 582266880

約数和(自身を除く): 184655875

約数列:

[1, 5, 11, 19, 23, 55, 71, 95, 115, 209, 233, 253, 355, 437, 781, 1045, 1165, 1265, 1349, 1633, 2185, 2563, 3905, 4427, 4807, 5359, 6745, 8165, 12815, 14839, 16543, 17963, 22135, 24035, 26795, 31027, 48697, 58949, 74195, 82715, 89815, 101821, 155135, 181973, 243485, 294745, 314317, 341297, 380489, 509105, 909865, 1120031, 1571585, 1706485, 1902445, 3457487, 4185379, 5600155, 7229291, 17287435, 20926895, 36146455, 79522201, 397611005]

約数ペア:

[(1, 397611005), (5, 79522201), (11, 36146455), (19, 20926895), (23, 17287435), (55, 7229291), (71, 5600155), (95, 4185379), (115, 3457487), (209, 1902445), (233, 1706485), (253, 1571585), (355, 1120031), (437, 909865), (781, 509105), (1045, 380489), (1165, 341297), (1265, 314317), (1349, 294745), (1633, 243485), (2185, 181973), (2563, 155135), (3905, 101821), (4427, 89815), (4807, 82715), (5359, 74195), (6745, 58949), (8165, 48697), (12815, 31027), (14839, 26795), (16543, 24035), (17963, 22135)]