81314610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208499}}^1$

素因数の和:208522

約数の個数: 32

約数和(自身を含む): 210168000

約数和(自身を除く): 128853390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 208499, 416998, 625497, 1042495, 1250994, 2084990, 2710487, 3127485, 5420974, 6254970, 8131461, 13552435, 16262922, 27104870, 40657305, 81314610]

約数ペア:

[(1, 81314610), (2, 40657305), (3, 27104870), (5, 16262922), (6, 13552435), (10, 8131461), (13, 6254970), (15, 5420974), (26, 3127485), (30, 2710487), (39, 2084990), (65, 1250994), (78, 1042495), (130, 625497), (195, 416998), (390, 208499)]