198835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 32

約数和(自身を含む): 322560

約数和(自身を除く): 123725

約数列:

[1, 5, 7, 13, 19, 23, 35, 65, 91, 95, 115, 133, 161, 247, 299, 437, 455, 665, 805, 1235, 1495, 1729, 2093, 2185, 3059, 5681, 8645, 10465, 15295, 28405, 39767, 198835]

約数ペア:

[(1, 198835), (5, 39767), (7, 28405), (13, 15295), (19, 10465), (23, 8645), (35, 5681), (65, 3059), (91, 2185), (95, 2093), (115, 1729), (133, 1495), (161, 1235), (247, 805), (299, 665), (437, 455)]