161242535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 217147392

約数和(自身を除く): 55904857

約数列:

[1, 5, 17, 23, 67, 85, 115, 335, 391, 1139, 1231, 1541, 1955, 5695, 6155, 7705, 20927, 26197, 28313, 82477, 104635, 130985, 141565, 412385, 481321, 1402109, 1896971, 2406605, 7010545, 9484855, 32248507, 161242535]

約数ペア:

[(1, 161242535), (5, 32248507), (17, 9484855), (23, 7010545), (67, 2406605), (85, 1896971), (115, 1402109), (335, 481321), (391, 412385), (1139, 141565), (1231, 130985), (1541, 104635), (1955, 82477), (5695, 28313), (6155, 26197), (7705, 20927)]