289390458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{6890249}}^1$

素因数の和:6890261

約数の個数: 16

約数和(自身を含む): 661464000

約数和(自身を除く): 372073542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 6890249, 13780498, 20670747, 41341494, 48231743, 96463486, 144695229, 289390458]

約数ペア:

[(1, 289390458), (2, 144695229), (3, 96463486), (6, 48231743), (7, 41341494), (14, 20670747), (21, 13780498), (42, 6890249)]