201998888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{947}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 468236160

約数和(自身を除く): 266237272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 293, 364, 586, 728, 947, 1172, 1894, 2051, 2344, 3788, 3809, 4102, 6629, 7576, 7618, 8204, 12311, 13258, 15236, 16408, 24622, 26516, 26663, 30472, 49244, 53032, 53326, 86177, 98488, 106652, 172354, 213304, 277471, 344708, 554942, 689416, 1109884, 1942297, 2219768, 3607123, 3884594, 7214246, 7769188, 14428492, 15538376, 25249861, 28856984, 50499722, 100999444, 201998888]

約数ペア:

[(1, 201998888), (2, 100999444), (4, 50499722), (7, 28856984), (8, 25249861), (13, 15538376), (14, 14428492), (26, 7769188), (28, 7214246), (52, 3884594), (56, 3607123), (91, 2219768), (104, 1942297), (182, 1109884), (293, 689416), (364, 554942), (586, 344708), (728, 277471), (947, 213304), (1172, 172354), (1894, 106652), (2051, 98488), (2344, 86177), (3788, 53326), (3809, 53032), (4102, 49244), (6629, 30472), (7576, 26663), (7618, 26516), (8204, 24622), (12311, 16408), (13258, 15236)]