397878495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2459}}^1$

素因数の和:2564

約数の個数: 64

約数和(自身を含む): 770826240

約数和(自身を除く): 372947745

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 67, 69, 105, 115, 161, 201, 335, 345, 469, 483, 805, 1005, 1407, 1541, 2345, 2415, 2459, 4623, 7035, 7377, 7705, 10787, 12295, 17213, 23115, 32361, 36885, 51639, 53935, 56557, 86065, 161805, 164753, 169671, 258195, 282785, 395899, 494259, 823765, 848355, 1153271, 1187697, 1979495, 2471295, 3459813, 3789319, 5766355, 5938485, 11367957, 17299065, 18946595, 26525233, 56839785, 79575699, 132626165, 397878495]

約数ペア:

[(1, 397878495), (3, 132626165), (5, 79575699), (7, 56839785), (15, 26525233), (21, 18946595), (23, 17299065), (35, 11367957), (67, 5938485), (69, 5766355), (105, 3789319), (115, 3459813), (161, 2471295), (201, 1979495), (335, 1187697), (345, 1153271), (469, 848355), (483, 823765), (805, 494259), (1005, 395899), (1407, 282785), (1541, 258195), (2345, 169671), (2415, 164753), (2459, 161805), (4623, 86065), (7035, 56557), (7377, 53935), (7705, 51639), (10787, 36885), (12295, 32361), (17213, 23115)]