1221381484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{88789}}^1$

素因数の和:88993

約数の個数: 24

約数和(自身を含む): 2262369200

約数和(自身を除く): 1040987716

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 3439, 6878, 13756, 88789, 177578, 355156, 1686991, 3373982, 6747964, 16070809, 32141618, 64283236, 305345371, 610690742, 1221381484]

約数ペア:

[(1, 1221381484), (2, 610690742), (4, 305345371), (19, 64283236), (38, 32141618), (76, 16070809), (181, 6747964), (362, 3373982), (724, 1686991), (3439, 355156), (6878, 177578), (13756, 88789)]