17628695

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 8083945

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 359, 427, 805, 1403, 1795, 2135, 2513, 7015, 8257, 9821, 12565, 21899, 41285, 49105, 57799, 109495, 153293, 288995, 503677, 766465, 2518385, 3525739, 17628695]

約数ペア:

[(1, 17628695), (5, 3525739), (7, 2518385), (23, 766465), (35, 503677), (61, 288995), (115, 153293), (161, 109495), (305, 57799), (359, 49105), (427, 41285), (805, 21899), (1403, 12565), (1795, 9821), (2135, 8257), (2513, 7015)]