71128645

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 104167728

約数和(自身を除く): 33039083

約数列:

[1, 5, 7, 35, 41, 49, 73, 97, 205, 245, 287, 365, 485, 511, 679, 1435, 2009, 2555, 2993, 3395, 3577, 3977, 4753, 7081, 10045, 14965, 17885, 19885, 20951, 23765, 27839, 35405, 49567, 104755, 139195, 146657, 194873, 247835, 290321, 346969, 733285, 974365, 1451605, 1734845, 2032247, 10161235, 14225729, 71128645]

約数ペア:

[(1, 71128645), (5, 14225729), (7, 10161235), (35, 2032247), (41, 1734845), (49, 1451605), (73, 974365), (97, 733285), (205, 346969), (245, 290321), (287, 247835), (365, 194873), (485, 146657), (511, 139195), (679, 104755), (1435, 49567), (2009, 35405), (2555, 27839), (2993, 23765), (3395, 20951), (3577, 19885), (3977, 17885), (4753, 14965), (7081, 10045)]