81130448

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9923}}^1$

素因数の和:10011

約数の個数: 40

約数和(自身を含む): 182125248

約数和(自身を除く): 100994800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 9923, 19846, 39692, 69461, 79384, 138922, 158768, 277844, 555688, 724379, 1111376, 1448758, 2897516, 5070653, 5795032, 10141306, 11590064, 20282612, 40565224, 81130448]

約数ペア:

[(1, 81130448), (2, 40565224), (4, 20282612), (7, 11590064), (8, 10141306), (14, 5795032), (16, 5070653), (28, 2897516), (56, 1448758), (73, 1111376), (112, 724379), (146, 555688), (292, 277844), (511, 158768), (584, 138922), (1022, 79384), (1168, 69461), (2044, 39692), (4088, 19846), (8176, 9923)]