78972738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2029}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 170520000

約数和(自身を除く): 91547262

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 499, 998, 1497, 2029, 2994, 4058, 6087, 6487, 12174, 12974, 19461, 26377, 38922, 52754, 79131, 158262, 1012471, 2024942, 3037413, 6074826, 13162123, 26324246, 39486369, 78972738]

約数ペア:

[(1, 78972738), (2, 39486369), (3, 26324246), (6, 13162123), (13, 6074826), (26, 3037413), (39, 2024942), (78, 1012471), (499, 158262), (998, 79131), (1497, 52754), (2029, 38922), (2994, 26377), (4058, 19461), (6087, 12974), (6487, 12174)]