81387228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30689}}^1$

素因数の和:30726

約数の個数: 48

約数和(自身を含む): 216548640

約数和(自身を除く): 135161412

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 30689, 61378, 92067, 122756, 184134, 368268, 398957, 521713, 797914, 1043426, 1196871, 1565139, 1595828, 2086852, 2393742, 3130278, 4787484, 6260556, 6782269, 13564538, 20346807, 27129076, 40693614, 81387228]

約数ペア:

[(1, 81387228), (2, 40693614), (3, 27129076), (4, 20346807), (6, 13564538), (12, 6782269), (13, 6260556), (17, 4787484), (26, 3130278), (34, 2393742), (39, 2086852), (51, 1595828), (52, 1565139), (68, 1196871), (78, 1043426), (102, 797914), (156, 521713), (204, 398957), (221, 368268), (442, 184134), (663, 122756), (884, 92067), (1326, 61378), (2652, 30689)]