28430906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 50856960

約数和(自身を除く): 22426054

約数列:

[1, 2, 7, 14, 31, 62, 109, 217, 218, 434, 601, 763, 1202, 1526, 3379, 4207, 6758, 8414, 18631, 23653, 37262, 47306, 65509, 130417, 131018, 260834, 458563, 917126, 2030779, 4061558, 14215453, 28430906]

約数ペア:

[(1, 28430906), (2, 14215453), (7, 4061558), (14, 2030779), (31, 917126), (62, 458563), (109, 260834), (217, 131018), (218, 130417), (434, 65509), (601, 47306), (763, 37262), (1202, 23653), (1526, 18631), (3379, 8414), (4207, 6758)]