6438640325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{9001}}^1$

素因数の和:9126

約数の個数: 48

約数和(自身を含む): 9001423872

約数和(自身を除く): 2562783547

約数列:

[1, 5, 13, 25, 31, 65, 71, 155, 325, 355, 403, 775, 923, 1775, 2015, 2201, 4615, 9001, 10075, 11005, 23075, 28613, 45005, 55025, 117013, 143065, 225025, 279031, 585065, 639071, 715325, 1395155, 2925325, 3195355, 3627403, 6975775, 8307923, 15976775, 18137015, 19811201, 41539615, 90685075, 99056005, 207698075, 257545613, 495280025, 1287728065, 6438640325]

約数ペア:

[(1, 6438640325), (5, 1287728065), (13, 495280025), (25, 257545613), (31, 207698075), (65, 99056005), (71, 90685075), (155, 41539615), (325, 19811201), (355, 18137015), (403, 15976775), (775, 8307923), (923, 6975775), (1775, 3627403), (2015, 3195355), (2201, 2925325), (4615, 1395155), (9001, 715325), (10075, 639071), (11005, 585065), (23075, 279031), (28613, 225025), (45005, 143065), (55025, 117013)]