67420195

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^2$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 86389632

約数和(自身を除く): 18969437

約数列:

[1, 5, 31, 41, 103, 155, 205, 515, 1271, 3193, 4223, 6355, 10609, 15965, 21115, 53045, 130913, 328879, 434969, 654565, 1644395, 2174845, 13484039, 67420195]

約数ペア:

[(1, 67420195), (5, 13484039), (31, 2174845), (41, 1644395), (103, 654565), (155, 434969), (205, 328879), (515, 130913), (1271, 53045), (3193, 21115), (4223, 15965), (6355, 10609)]