16290904

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 37497600

約数和(自身を除く): 21206696

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 251, 266, 427, 488, 502, 532, 854, 1004, 1064, 1159, 1708, 1757, 2008, 2318, 3416, 3514, 4636, 4769, 7028, 8113, 9272, 9538, 14056, 15311, 16226, 19076, 30622, 32452, 33383, 38152, 61244, 64904, 66766, 107177, 122488, 133532, 214354, 267064, 290909, 428708, 581818, 857416, 1163636, 2036363, 2327272, 4072726, 8145452, 16290904]

約数ペア:

[(1, 16290904), (2, 8145452), (4, 4072726), (7, 2327272), (8, 2036363), (14, 1163636), (19, 857416), (28, 581818), (38, 428708), (56, 290909), (61, 267064), (76, 214354), (122, 133532), (133, 122488), (152, 107177), (244, 66766), (251, 64904), (266, 61244), (427, 38152), (488, 33383), (502, 32452), (532, 30622), (854, 19076), (1004, 16226), (1064, 15311), (1159, 14056), (1708, 9538), (1757, 9272), (2008, 8113), (2318, 7028), (3416, 4769), (3514, 4636)]