28508765390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{23677}}^1$

素因数の和:23961

約数の個数: 64

約数和(自身を含む): 59573090304

約数和(自身を除く): 31064324914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 167, 206, 334, 515, 721, 835, 1030, 1169, 1442, 1670, 2338, 3605, 5845, 7210, 11690, 17201, 23677, 34402, 47354, 86005, 118385, 120407, 165739, 172010, 236770, 240814, 331478, 602035, 828695, 1204070, 1657390, 2438731, 3954059, 4877462, 7908118, 12193655, 17071117, 19770295, 24387310, 27678413, 34142234, 39540590, 55356826, 85355585, 138392065, 170711170, 276784130, 407268077, 814536154, 2036340385, 2850876539, 4072680770, 5701753078, 14254382695, 28508765390]

約数ペア:

[(1, 28508765390), (2, 14254382695), (5, 5701753078), (7, 4072680770), (10, 2850876539), (14, 2036340385), (35, 814536154), (70, 407268077), (103, 276784130), (167, 170711170), (206, 138392065), (334, 85355585), (515, 55356826), (721, 39540590), (835, 34142234), (1030, 27678413), (1169, 24387310), (1442, 19770295), (1670, 17071117), (2338, 12193655), (3605, 7908118), (5845, 4877462), (7210, 3954059), (11690, 2438731), (17201, 1657390), (23677, 1204070), (34402, 828695), (47354, 602035), (86005, 331478), (118385, 240814), (120407, 236770), (165739, 172010)]