128189048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2237}}^1$

素因数の和:2304

約数の個数: 64

約数和(自身を含む): 281988000

約数和(自身を除く): 153798952

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 494, 551, 754, 988, 1102, 1508, 1976, 2204, 2237, 3016, 4408, 4474, 7163, 8948, 14326, 17896, 28652, 29081, 42503, 57304, 58162, 64873, 85006, 116324, 129746, 170012, 232648, 259492, 340024, 518984, 552539, 843349, 1105078, 1232587, 1686698, 2210156, 2465174, 3373396, 4420312, 4930348, 6746792, 9860696, 16023631, 32047262, 64094524, 128189048]

約数ペア:

[(1, 128189048), (2, 64094524), (4, 32047262), (8, 16023631), (13, 9860696), (19, 6746792), (26, 4930348), (29, 4420312), (38, 3373396), (52, 2465174), (58, 2210156), (76, 1686698), (104, 1232587), (116, 1105078), (152, 843349), (232, 552539), (247, 518984), (377, 340024), (494, 259492), (551, 232648), (754, 170012), (988, 129746), (1102, 116324), (1508, 85006), (1976, 64873), (2204, 58162), (2237, 57304), (3016, 42503), (4408, 29081), (4474, 28652), (7163, 17896), (8948, 14326)]