253400405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{28649}}^1$

素因数の和:28744

約数の個数: 16

約数和(自身を含む): 319734000

約数和(自身を除く): 66333595

約数列:

[1, 5, 29, 61, 145, 305, 1769, 8845, 28649, 143245, 830821, 1747589, 4154105, 8737945, 50680081, 253400405]

約数ペア:

[(1, 253400405), (5, 50680081), (29, 8737945), (61, 4154105), (145, 1747589), (305, 830821), (1769, 143245), (8845, 28649)]