81205566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1303}}^1$

素因数の和:1385

約数の個数: 64

約数和(自身を含む): 189278208

約数和(自身を除く): 108072642

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 47, 51, 78, 94, 102, 141, 221, 282, 442, 611, 663, 799, 1222, 1303, 1326, 1598, 1833, 2397, 2606, 3666, 3909, 4794, 7818, 10387, 16939, 20774, 22151, 31161, 33878, 44302, 50817, 61241, 62322, 66453, 101634, 122482, 132906, 183723, 287963, 367446, 575926, 796133, 863889, 1041097, 1592266, 1727778, 2082194, 2388399, 3123291, 4776798, 6246582, 13534261, 27068522, 40602783, 81205566]

約数ペア:

[(1, 81205566), (2, 40602783), (3, 27068522), (6, 13534261), (13, 6246582), (17, 4776798), (26, 3123291), (34, 2388399), (39, 2082194), (47, 1727778), (51, 1592266), (78, 1041097), (94, 863889), (102, 796133), (141, 575926), (221, 367446), (282, 287963), (442, 183723), (611, 132906), (663, 122482), (799, 101634), (1222, 66453), (1303, 62322), (1326, 61241), (1598, 50817), (1833, 44302), (2397, 33878), (2606, 31161), (3666, 22151), (3909, 20774), (4794, 16939), (7818, 10387)]