66401428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{14323}}^1$

素因数の和:14407

約数の個数: 24

約数和(自身を含む): 124332320

約数和(自身を除く): 57930892

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 14323, 28646, 57292, 272137, 544274, 873703, 1088548, 1747406, 3494812, 16600357, 33200714, 66401428]

約数ペア:

[(1, 66401428), (2, 33200714), (4, 16600357), (19, 3494812), (38, 1747406), (61, 1088548), (76, 873703), (122, 544274), (244, 272137), (1159, 57292), (2318, 28646), (4636, 14323)]