78653890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{10909}}^1$

素因数の和:11026

約数の個数: 32

約数和(自身を含む): 163388160

約数和(自身を除く): 84734270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 10909, 21818, 54545, 76363, 109090, 152726, 381815, 763630, 1123627, 2247254, 5618135, 7865389, 11236270, 15730778, 39326945, 78653890]

約数ペア:

[(1, 78653890), (2, 39326945), (5, 15730778), (7, 11236270), (10, 7865389), (14, 5618135), (35, 2247254), (70, 1123627), (103, 763630), (206, 381815), (515, 152726), (721, 109090), (1030, 76363), (1442, 54545), (3605, 21818), (7210, 10909)]