281818086

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{761}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 639055872

約数和(自身を除く): 357237786

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 181, 186, 341, 362, 543, 682, 761, 1023, 1086, 1522, 1991, 2046, 2283, 3982, 4566, 5611, 5973, 8371, 11222, 11946, 16742, 16833, 23591, 25113, 33666, 47182, 50226, 61721, 70773, 123442, 137741, 141546, 185163, 259501, 275482, 370326, 413223, 519002, 778503, 826446, 1515151, 1557006, 3030302, 4269971, 4545453, 8539942, 9090906, 12809913, 25619826, 46969681, 93939362, 140909043, 281818086]

約数ペア:

[(1, 281818086), (2, 140909043), (3, 93939362), (6, 46969681), (11, 25619826), (22, 12809913), (31, 9090906), (33, 8539942), (62, 4545453), (66, 4269971), (93, 3030302), (181, 1557006), (186, 1515151), (341, 826446), (362, 778503), (543, 519002), (682, 413223), (761, 370326), (1023, 275482), (1086, 259501), (1522, 185163), (1991, 141546), (2046, 137741), (2283, 123442), (3982, 70773), (4566, 61721), (5611, 50226), (5973, 47182), (8371, 33666), (11222, 25113), (11946, 23591), (16742, 16833)]