28643990

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{17573}}^1$

素因数の和:17743

約数の個数: 16

約数和(自身を含む): 51878448

約数和(自身を除く): 23234458

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 17573, 35146, 87865, 175730, 2864399, 5728798, 14321995, 28643990]

約数ペア:

[(1, 28643990), (2, 14321995), (5, 5728798), (10, 2864399), (163, 175730), (326, 87865), (815, 35146), (1630, 17573)]