264210821

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2609}}^1$

素因数の和:2693

約数の個数: 32

約数和(自身を含む): 342766080

約数和(自身を除く): 78555259

約数列:

[1, 7, 17, 23, 37, 119, 161, 259, 391, 629, 851, 2609, 2737, 4403, 5957, 14467, 18263, 44353, 60007, 96533, 101269, 310471, 420049, 675731, 1020119, 1641061, 2220259, 7140833, 11487427, 15541813, 37744403, 264210821]

約数ペア:

[(1, 264210821), (7, 37744403), (17, 15541813), (23, 11487427), (37, 7140833), (119, 2220259), (161, 1641061), (259, 1020119), (391, 675731), (629, 420049), (851, 310471), (2609, 101269), (2737, 96533), (4403, 60007), (5957, 44353), (14467, 18263)]