1900539095

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1\times {\mathrm{2609}}^1$

素因数の和:4235

約数の個数: 32

約数和(自身を含む): 2809779840

約数和(自身を除く): 909240745

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1601, 2609, 8005, 11207, 13045, 18263, 20813, 33917, 56035, 91315, 104065, 145691, 169585, 237419, 728455, 1187095, 4177009, 20885045, 29239063, 54301117, 146195315, 271505585, 380107819, 1900539095]

約数ペア:

[(1, 1900539095), (5, 380107819), (7, 271505585), (13, 146195315), (35, 54301117), (65, 29239063), (91, 20885045), (455, 4177009), (1601, 1187095), (2609, 728455), (8005, 237419), (11207, 169585), (13045, 145691), (18263, 104065), (20813, 91315), (33917, 56035)]