87881508

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 267723456

約数和(自身を除く): 179841948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 43, 44, 52, 66, 78, 86, 99, 117, 129, 132, 143, 156, 172, 198, 234, 258, 286, 387, 396, 397, 429, 468, 473, 516, 559, 572, 774, 794, 858, 946, 1118, 1191, 1287, 1419, 1548, 1588, 1677, 1716, 1892, 2236, 2382, 2574, 2838, 3354, 3573, 4257, 4367, 4764, 5031, 5148, 5161, 5676, 6149, 6708, 7146, 8514, 8734, 10062, 10322, 12298, 13101, 14292, 15483, 17028, 17071, 17468, 18447, 20124, 20644, 24596, 26202, 30966, 34142, 36894, 39303, 46449, 51213, 52404, 55341, 56771, 61932, 68284, 73788, 78606, 92898, 102426, 110682, 113542, 153639, 157212, 170313, 185796, 187781, 204852, 221364, 221923, 227084, 307278, 340626, 375562, 443846, 510939, 563343, 614556, 665769, 681252, 751124, 887692, 1021878, 1126686, 1331538, 1690029, 1997307, 2043756, 2253372, 2441153, 2663076, 3380058, 3994614, 4882306, 6760116, 7323459, 7989228, 9764612, 14646918, 21970377, 29293836, 43940754, 87881508]

約数ペア:

[(1, 87881508), (2, 43940754), (3, 29293836), (4, 21970377), (6, 14646918), (9, 9764612), (11, 7989228), (12, 7323459), (13, 6760116), (18, 4882306), (22, 3994614), (26, 3380058), (33, 2663076), (36, 2441153), (39, 2253372), (43, 2043756), (44, 1997307), (52, 1690029), (66, 1331538), (78, 1126686), (86, 1021878), (99, 887692), (117, 751124), (129, 681252), (132, 665769), (143, 614556), (156, 563343), (172, 510939), (198, 443846), (234, 375562), (258, 340626), (286, 307278), (387, 227084), (396, 221923), (397, 221364), (429, 204852), (468, 187781), (473, 185796), (516, 170313), (559, 157212), (572, 153639), (774, 113542), (794, 110682), (858, 102426), (946, 92898), (1118, 78606), (1191, 73788), (1287, 68284), (1419, 61932), (1548, 56771), (1588, 55341), (1677, 52404), (1716, 51213), (1892, 46449), (2236, 39303), (2382, 36894), (2574, 34142), (2838, 30966), (3354, 26202), (3573, 24596), (4257, 20644), (4367, 20124), (4764, 18447), (5031, 17468), (5148, 17071), (5161, 17028), (5676, 15483), (6149, 14292), (6708, 13101), (7146, 12298), (8514, 10322), (8734, 10062)]