81666844

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4637}}^1$

素因数の和:4702

約数の個数: 48

約数和(自身を含む): 177653952

約数和(自身を除く): 95987108

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 119, 148, 238, 259, 476, 518, 629, 1036, 1258, 2516, 4403, 4637, 8806, 9274, 17612, 18548, 32459, 64918, 78829, 129836, 157658, 171569, 315316, 343138, 551803, 686276, 1103606, 1200983, 2207212, 2401966, 2916673, 4803932, 5833346, 11666692, 20416711, 40833422, 81666844]

約数ペア:

[(1, 81666844), (2, 40833422), (4, 20416711), (7, 11666692), (14, 5833346), (17, 4803932), (28, 2916673), (34, 2401966), (37, 2207212), (68, 1200983), (74, 1103606), (119, 686276), (148, 551803), (238, 343138), (259, 315316), (476, 171569), (518, 157658), (629, 129836), (1036, 78829), (1258, 64918), (2516, 32459), (4403, 18548), (4637, 17612), (8806, 9274)]