128742018

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{1321}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 265246080

約数和(自身を除く): 136504062

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 439, 878, 1317, 1321, 2634, 2642, 3963, 7926, 16243, 32486, 48729, 48877, 97458, 97754, 146631, 293262, 579919, 1159838, 1739757, 3479514, 21457003, 42914006, 64371009, 128742018]

約数ペア:

[(1, 128742018), (2, 64371009), (3, 42914006), (6, 21457003), (37, 3479514), (74, 1739757), (111, 1159838), (222, 579919), (439, 293262), (878, 146631), (1317, 97754), (1321, 97458), (2634, 48877), (2642, 48729), (3963, 32486), (7926, 16243)]