1258790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 2552256

約数和(自身を除く): 1293466

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 421, 598, 842, 1495, 2105, 2990, 4210, 5473, 9683, 10946, 19366, 27365, 48415, 54730, 96830, 125879, 251758, 629395, 1258790]

約数ペア:

[(1, 1258790), (2, 629395), (5, 251758), (10, 125879), (13, 96830), (23, 54730), (26, 48415), (46, 27365), (65, 19366), (115, 10946), (130, 9683), (230, 5473), (299, 4210), (421, 2990), (598, 2105), (842, 1495)]