219977420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{846067}}^1$

素因数の和:846089

約数の個数: 24

約数和(自身を含む): 497487984

約数和(自身を除く): 277510564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 846067, 1692134, 3384268, 4230335, 8460670, 10998871, 16921340, 21997742, 43995484, 54994355, 109988710, 219977420]

約数ペア:

[(1, 219977420), (2, 109988710), (4, 54994355), (5, 43995484), (10, 21997742), (13, 16921340), (20, 10998871), (26, 8460670), (52, 4230335), (65, 3384268), (130, 1692134), (260, 846067)]