81863404

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 170614080

約数和(自身を除く): 88750676

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 181, 203, 362, 406, 557, 724, 812, 1114, 1267, 2228, 2534, 3899, 5068, 5249, 7798, 10498, 15596, 16153, 20996, 32306, 36743, 64612, 73486, 100817, 113071, 146972, 201634, 226142, 403268, 452284, 705719, 1411438, 2822876, 2923693, 5847386, 11694772, 20465851, 40931702, 81863404]

約数ペア:

[(1, 81863404), (2, 40931702), (4, 20465851), (7, 11694772), (14, 5847386), (28, 2923693), (29, 2822876), (58, 1411438), (116, 705719), (181, 452284), (203, 403268), (362, 226142), (406, 201634), (557, 146972), (724, 113071), (812, 100817), (1114, 73486), (1267, 64612), (2228, 36743), (2534, 32306), (3899, 20996), (5068, 16153), (5249, 15596), (7798, 10498)]