653890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2843}}^1$

素因数の和:2873

約数の個数: 16

約数和(自身を含む): 1228608

約数和(自身を除く): 574718

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 2843, 5686, 14215, 28430, 65389, 130778, 326945, 653890]

約数ペア:

[(1, 653890), (2, 326945), (5, 130778), (10, 65389), (23, 28430), (46, 14215), (115, 5686), (230, 2843)]