138499865

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 195022080

約数和(自身を除く): 56522215

約数列:

[1, 5, 7, 35, 53, 197, 265, 371, 379, 985, 1379, 1855, 1895, 2653, 6895, 10441, 13265, 20087, 52205, 73087, 74663, 100435, 140609, 365435, 373315, 522641, 703045, 2613205, 3957139, 19785695, 27699973, 138499865]

約数ペア:

[(1, 138499865), (5, 27699973), (7, 19785695), (35, 3957139), (53, 2613205), (197, 703045), (265, 522641), (371, 373315), (379, 365435), (985, 140609), (1379, 100435), (1855, 74663), (1895, 73087), (2653, 52205), (6895, 20087), (10441, 13265)]