389664256

素因数分解:

$2^9\times {\mathrm{577}}^1\times {\mathrm{1319}}^1$

素因数の和:1914

約数の個数: 40

約数和(自身を含む): 780508080

約数和(自身を除く): 390843824

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 577, 1154, 1319, 2308, 2638, 4616, 5276, 9232, 10552, 18464, 21104, 36928, 42208, 73856, 84416, 147712, 168832, 295424, 337664, 675328, 761063, 1522126, 3044252, 6088504, 12177008, 24354016, 48708032, 97416064, 194832128, 389664256]

約数ペア:

[(1, 389664256), (2, 194832128), (4, 97416064), (8, 48708032), (16, 24354016), (32, 12177008), (64, 6088504), (128, 3044252), (256, 1522126), (512, 761063), (577, 675328), (1154, 337664), (1319, 295424), (2308, 168832), (2638, 147712), (4616, 84416), (5276, 73856), (9232, 42208), (10552, 36928), (18464, 21104)]