138621616

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{15667}}^1$

素因数の和:15761

約数の個数: 40

約数和(自身を含む): 310853120

約数和(自身を除く): 172231504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 15667, 31334, 62668, 109669, 125336, 219338, 250672, 438676, 877352, 1237693, 1754704, 2475386, 4950772, 8663851, 9901544, 17327702, 19803088, 34655404, 69310808, 138621616]

約数ペア:

[(1, 138621616), (2, 69310808), (4, 34655404), (7, 19803088), (8, 17327702), (14, 9901544), (16, 8663851), (28, 4950772), (56, 2475386), (79, 1754704), (112, 1237693), (158, 877352), (316, 438676), (553, 250672), (632, 219338), (1106, 125336), (1264, 109669), (2212, 62668), (4424, 31334), (8848, 15667)]