331387160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637283}}^1$

素因数の和:637307

約数の個数: 32

約数和(自身を含む): 802977840

約数和(自身を除く): 471590680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 637283, 1274566, 2549132, 3186415, 5098264, 6372830, 8284679, 12745660, 16569358, 25491320, 33138716, 41423395, 66277432, 82846790, 165693580, 331387160]

約数ペア:

[(1, 331387160), (2, 165693580), (4, 82846790), (5, 66277432), (8, 41423395), (10, 33138716), (13, 25491320), (20, 16569358), (26, 12745660), (40, 8284679), (52, 6372830), (65, 5098264), (104, 3186415), (130, 2549132), (260, 1274566), (520, 637283)]