1640331616

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{665719}}^1$

素因数の和:665747

約数の個数: 48

約数和(自身を含む): 4026274560

約数和(自身を除く): 2385942944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 665719, 1331438, 2662876, 4660033, 5325752, 7322909, 9320066, 10651504, 14645818, 18640132, 21303008, 29291636, 37280264, 51260363, 58583272, 74560528, 102520726, 117166544, 149121056, 205041452, 234333088, 410082904, 820165808, 1640331616]

約数ペア:

[(1, 1640331616), (2, 820165808), (4, 410082904), (7, 234333088), (8, 205041452), (11, 149121056), (14, 117166544), (16, 102520726), (22, 74560528), (28, 58583272), (32, 51260363), (44, 37280264), (56, 29291636), (77, 21303008), (88, 18640132), (112, 14645818), (154, 10651504), (176, 9320066), (224, 7322909), (308, 5325752), (352, 4660033), (616, 2662876), (1232, 1331438), (2464, 665719)]