1991471622

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{81611}}^1$

素因数の和:81713

約数の個数: 48

約数和(自身を含む): 4689099072

約数和(自身を除く): 2697627450

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 498, 581, 1162, 1743, 3486, 4067, 8134, 12201, 24402, 81611, 163222, 244833, 489666, 571277, 1142554, 1713831, 3427662, 3998939, 6773713, 7997878, 11996817, 13547426, 20321139, 23993634, 40642278, 47415991, 94831982, 142247973, 284495946, 331911937, 663823874, 995735811, 1991471622]

約数ペア:

[(1, 1991471622), (2, 995735811), (3, 663823874), (6, 331911937), (7, 284495946), (14, 142247973), (21, 94831982), (42, 47415991), (49, 40642278), (83, 23993634), (98, 20321139), (147, 13547426), (166, 11996817), (249, 7997878), (294, 6773713), (498, 3998939), (581, 3427662), (1162, 1713831), (1743, 1142554), (3486, 571277), (4067, 489666), (8134, 244833), (12201, 163222), (24402, 81611)]