80657514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{640139}}^1$

素因数の和:640154

約数の個数: 24

約数和(自身を含む): 199723680

約数和(自身を除く): 119066166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 640139, 1280278, 1920417, 3840834, 4480973, 5761251, 8961946, 11522502, 13442919, 26885838, 40328757, 80657514]

約数ペア:

[(1, 80657514), (2, 40328757), (3, 26885838), (6, 13442919), (7, 11522502), (9, 8961946), (14, 5761251), (18, 4480973), (21, 3840834), (42, 1920417), (63, 1280278), (126, 640139)]