820519994

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3137}}^1$

素因数の和:3327

約数の個数: 48

約数和(自身を含む): 1526084712

約数和(自身を除く): 705564718

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 157, 238, 314, 833, 1099, 1666, 2198, 2669, 3137, 5338, 6274, 7693, 15386, 18683, 21959, 37366, 43918, 53329, 106658, 130781, 153713, 261562, 307426, 373303, 492509, 746606, 985018, 2613121, 3447563, 5226242, 6895126, 8372653, 16745306, 24132941, 48265882, 58608571, 117217142, 410259997, 820519994]

約数ペア:

[(1, 820519994), (2, 410259997), (7, 117217142), (14, 58608571), (17, 48265882), (34, 24132941), (49, 16745306), (98, 8372653), (119, 6895126), (157, 5226242), (238, 3447563), (314, 2613121), (833, 985018), (1099, 746606), (1666, 492509), (2198, 373303), (2669, 307426), (3137, 261562), (5338, 153713), (6274, 130781), (7693, 106658), (15386, 53329), (18683, 43918), (21959, 37366)]