13238995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 20030976

約数和(自身を除く): 6791981

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 251, 385, 685, 959, 1255, 1507, 1757, 2761, 4795, 7535, 8785, 10549, 13805, 19327, 34387, 52745, 96635, 171935, 240709, 378257, 1203545, 1891285, 2647799, 13238995]

約数ペア:

[(1, 13238995), (5, 2647799), (7, 1891285), (11, 1203545), (35, 378257), (55, 240709), (77, 171935), (137, 96635), (251, 52745), (385, 34387), (685, 19327), (959, 13805), (1255, 10549), (1507, 8785), (1757, 7535), (2761, 4795)]