203477690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{120401}}^1$

素因数の和:120434

約数の個数: 24

約数和(自身を含む): 396604188

約数和(自身を除く): 193126498

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 120401, 240802, 602005, 1204010, 1565213, 3130426, 7826065, 15652130, 20347769, 40695538, 101738845, 203477690]

約数ペア:

[(1, 203477690), (2, 101738845), (5, 40695538), (10, 20347769), (13, 15652130), (26, 7826065), (65, 3130426), (130, 1565213), (169, 1204010), (338, 602005), (845, 240802), (1690, 120401)]