638513532

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{611603}}^1$

素因数の和:611642

約数の個数: 36

約数和(自身を含む): 1669678920

約数和(自身を除く): 1031165388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 611603, 1223206, 1834809, 2446412, 3669618, 5504427, 7339236, 11008854, 17736487, 22017708, 35472974, 53209461, 70945948, 106418922, 159628383, 212837844, 319256766, 638513532]

約数ペア:

[(1, 638513532), (2, 319256766), (3, 212837844), (4, 159628383), (6, 106418922), (9, 70945948), (12, 53209461), (18, 35472974), (29, 22017708), (36, 17736487), (58, 11008854), (87, 7339236), (116, 5504427), (174, 3669618), (261, 2446412), (348, 1834809), (522, 1223206), (1044, 611603)]