81868304

素因数分解:

$2^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2381}}^1$

素因数の和:2703

約数の個数: 40

約数和(自身を含む): 181946688

約数和(自身を除く): 100078384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 307, 614, 1228, 2149, 2381, 2456, 4298, 4762, 4912, 8596, 9524, 16667, 17192, 19048, 33334, 34384, 38096, 66668, 133336, 266672, 730967, 1461934, 2923868, 5116769, 5847736, 10233538, 11695472, 20467076, 40934152, 81868304]

約数ペア:

[(1, 81868304), (2, 40934152), (4, 20467076), (7, 11695472), (8, 10233538), (14, 5847736), (16, 5116769), (28, 2923868), (56, 1461934), (112, 730967), (307, 266672), (614, 133336), (1228, 66668), (2149, 38096), (2381, 34384), (2456, 33334), (4298, 19048), (4762, 17192), (4912, 16667), (8596, 9524)]