40049758

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 74569680

約数和(自身を除く): 34519922

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 137, 157, 266, 274, 314, 931, 959, 1099, 1862, 1918, 2198, 2603, 2983, 5206, 5966, 6713, 7693, 13426, 15386, 18221, 20881, 21509, 36442, 41762, 43018, 127547, 146167, 150563, 255094, 292334, 301126, 408671, 817342, 1053941, 2107882, 2860697, 5721394, 20024879, 40049758]

約数ペア:

[(1, 40049758), (2, 20024879), (7, 5721394), (14, 2860697), (19, 2107882), (38, 1053941), (49, 817342), (98, 408671), (133, 301126), (137, 292334), (157, 255094), (266, 150563), (274, 146167), (314, 127547), (931, 43018), (959, 41762), (1099, 36442), (1862, 21509), (1918, 20881), (2198, 18221), (2603, 15386), (2983, 13426), (5206, 7693), (5966, 6713)]