128156968

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 256608000

約数和(自身を除く): 128451032

約数列:

[1, 2, 4, 8, 47, 53, 59, 94, 106, 109, 118, 188, 212, 218, 236, 376, 424, 436, 472, 872, 2491, 2773, 3127, 4982, 5123, 5546, 5777, 6254, 6431, 9964, 10246, 11092, 11554, 12508, 12862, 19928, 20492, 22184, 23108, 25016, 25724, 40984, 46216, 51448, 146969, 271519, 293938, 302257, 340843, 543038, 587876, 604514, 681686, 1086076, 1175752, 1209028, 1363372, 2172152, 2418056, 2726744, 16019621, 32039242, 64078484, 128156968]

約数ペア:

[(1, 128156968), (2, 64078484), (4, 32039242), (8, 16019621), (47, 2726744), (53, 2418056), (59, 2172152), (94, 1363372), (106, 1209028), (109, 1175752), (118, 1086076), (188, 681686), (212, 604514), (218, 587876), (236, 543038), (376, 340843), (424, 302257), (436, 293938), (472, 271519), (872, 146969), (2491, 51448), (2773, 46216), (3127, 40984), (4982, 25724), (5123, 25016), (5546, 23108), (5777, 22184), (6254, 20492), (6431, 19928), (9964, 12862), (10246, 12508), (11092, 11554)]