31489612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5422

約数の個数: 48

約数和(自身を含む): 72334080

約数和(自身を除く): 40844468

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5381, 5852, 10762, 21524, 37667, 59191, 75334, 102239, 118382, 150668, 204478, 236764, 408956, 414337, 715673, 828674, 1124629, 1431346, 1657348, 2249258, 2862692, 4498516, 7872403, 15744806, 31489612]

約数ペア:

[(1, 31489612), (2, 15744806), (4, 7872403), (7, 4498516), (11, 2862692), (14, 2249258), (19, 1657348), (22, 1431346), (28, 1124629), (38, 828674), (44, 715673), (76, 414337), (77, 408956), (133, 236764), (154, 204478), (209, 150668), (266, 118382), (308, 102239), (418, 75334), (532, 59191), (836, 37667), (1463, 21524), (2926, 10762), (5381, 5852)]