178730188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 415331840

約数和(自身を除く): 236601652

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 43, 52, 76, 86, 91, 133, 172, 182, 247, 266, 301, 364, 494, 532, 559, 601, 602, 817, 988, 1118, 1202, 1204, 1634, 1729, 2236, 2404, 3268, 3458, 3913, 4207, 5719, 6916, 7813, 7826, 8414, 10621, 11419, 11438, 15626, 15652, 16828, 21242, 22838, 22876, 25843, 31252, 42484, 45676, 51686, 54691, 74347, 79933, 103372, 109382, 148447, 148694, 159866, 180901, 218764, 296894, 297388, 319732, 335959, 361802, 491017, 593788, 671918, 723604, 982034, 1039129, 1343836, 1964068, 2078258, 2351713, 3437119, 4156516, 4703426, 6383221, 6874238, 9406852, 12766442, 13748476, 25532884, 44682547, 89365094, 178730188]

約数ペア:

[(1, 178730188), (2, 89365094), (4, 44682547), (7, 25532884), (13, 13748476), (14, 12766442), (19, 9406852), (26, 6874238), (28, 6383221), (38, 4703426), (43, 4156516), (52, 3437119), (76, 2351713), (86, 2078258), (91, 1964068), (133, 1343836), (172, 1039129), (182, 982034), (247, 723604), (266, 671918), (301, 593788), (364, 491017), (494, 361802), (532, 335959), (559, 319732), (601, 297388), (602, 296894), (817, 218764), (988, 180901), (1118, 159866), (1202, 148694), (1204, 148447), (1634, 109382), (1729, 103372), (2236, 79933), (2404, 74347), (3268, 54691), (3458, 51686), (3913, 45676), (4207, 42484), (5719, 31252), (6916, 25843), (7813, 22876), (7826, 22838), (8414, 21242), (10621, 16828), (11419, 15652), (11438, 15626)]