71850004

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1889}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 129706920

約数和(自身を除く): 57856916

約数列:

[1, 2, 4, 37, 74, 148, 257, 514, 1028, 1889, 3778, 7556, 9509, 19018, 38036, 69893, 139786, 279572, 485473, 970946, 1941892, 17962501, 35925002, 71850004]

約数ペア:

[(1, 71850004), (2, 35925002), (4, 17962501), (37, 1941892), (74, 970946), (148, 485473), (257, 279572), (514, 139786), (1028, 69893), (1889, 38036), (3778, 19018), (7556, 9509)]