1687878108

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{318949}}^1$

素因数の和:318976

約数の個数: 72

約数和(自身を含む): 5090442000

約数和(自身を除く): 3402563892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 318949, 637898, 956847, 1275796, 1913694, 2232643, 2870541, 3827388, 4465286, 5741082, 6697929, 8611623, 8930572, 11482164, 13395858, 15628501, 17223246, 20093787, 26791716, 31257002, 34446492, 40187574, 46885503, 60281361, 62514004, 80375148, 93771006, 120562722, 140656509, 187542012, 241125444, 281313018, 421969527, 562626036, 843939054, 1687878108]

約数ペア:

[(1, 1687878108), (2, 843939054), (3, 562626036), (4, 421969527), (6, 281313018), (7, 241125444), (9, 187542012), (12, 140656509), (14, 120562722), (18, 93771006), (21, 80375148), (27, 62514004), (28, 60281361), (36, 46885503), (42, 40187574), (49, 34446492), (54, 31257002), (63, 26791716), (84, 20093787), (98, 17223246), (108, 15628501), (126, 13395858), (147, 11482164), (189, 8930572), (196, 8611623), (252, 6697929), (294, 5741082), (378, 4465286), (441, 3827388), (588, 2870541), (756, 2232643), (882, 1913694), (1323, 1275796), (1764, 956847), (2646, 637898), (5292, 318949)]