30904988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 55384560

約数和(自身を除く): 24479572

約数列:

[1, 2, 4, 73, 109, 146, 218, 292, 436, 971, 1942, 3884, 7957, 15914, 31828, 70883, 105839, 141766, 211678, 283532, 423356, 7726247, 15452494, 30904988]

約数ペア:

[(1, 30904988), (2, 15452494), (4, 7726247), (73, 423356), (109, 283532), (146, 211678), (218, 141766), (292, 105839), (436, 70883), (971, 31828), (1942, 15914), (3884, 7957)]