321711208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 763257600

約数和(自身を除く): 441546392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 239, 301, 344, 364, 478, 559, 602, 728, 956, 1118, 1204, 1673, 1849, 1912, 2236, 2408, 3107, 3346, 3698, 3913, 4472, 6214, 6692, 7396, 7826, 10277, 12428, 12943, 13384, 14792, 15652, 20554, 21749, 24037, 24856, 25886, 31304, 41108, 43498, 48074, 51772, 71939, 82216, 86996, 96148, 103544, 133601, 143878, 168259, 173992, 192296, 267202, 287756, 336518, 441911, 534404, 575512, 673036, 883822, 935207, 1068808, 1346072, 1767644, 1870414, 3093377, 3535288, 3740828, 5744843, 6186754, 7481656, 11489686, 12373508, 22979372, 24747016, 40213901, 45958744, 80427802, 160855604, 321711208]

約数ペア:

[(1, 321711208), (2, 160855604), (4, 80427802), (7, 45958744), (8, 40213901), (13, 24747016), (14, 22979372), (26, 12373508), (28, 11489686), (43, 7481656), (52, 6186754), (56, 5744843), (86, 3740828), (91, 3535288), (104, 3093377), (172, 1870414), (182, 1767644), (239, 1346072), (301, 1068808), (344, 935207), (364, 883822), (478, 673036), (559, 575512), (602, 534404), (728, 441911), (956, 336518), (1118, 287756), (1204, 267202), (1673, 192296), (1849, 173992), (1912, 168259), (2236, 143878), (2408, 133601), (3107, 103544), (3346, 96148), (3698, 86996), (3913, 82216), (4472, 71939), (6214, 51772), (6692, 48074), (7396, 43498), (7826, 41108), (10277, 31304), (12428, 25886), (12943, 24856), (13384, 24037), (14792, 21749), (15652, 20554)]