66998988

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 206286080

約数和(自身を除く): 139287092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 81, 84, 86, 108, 126, 129, 162, 172, 189, 229, 243, 252, 258, 301, 324, 378, 387, 458, 486, 516, 567, 602, 687, 756, 774, 903, 916, 972, 1134, 1161, 1204, 1374, 1548, 1603, 1701, 1806, 2061, 2268, 2322, 2709, 2748, 3206, 3402, 3483, 3612, 4122, 4644, 4809, 5418, 6183, 6412, 6804, 6966, 8127, 8244, 9618, 9847, 10449, 10836, 12366, 13932, 14427, 16254, 18549, 19236, 19694, 20898, 24381, 24732, 28854, 29541, 32508, 37098, 39388, 41796, 43281, 48762, 55647, 57708, 59082, 68929, 73143, 74196, 86562, 88623, 97524, 111294, 118164, 129843, 137858, 146286, 173124, 177246, 206787, 222588, 259686, 265869, 275716, 292572, 354492, 389529, 413574, 519372, 531738, 620361, 779058, 797607, 827148, 1063476, 1240722, 1558116, 1595214, 1861083, 2392821, 2481444, 3190428, 3722166, 4785642, 5583249, 7444332, 9571284, 11166498, 16749747, 22332996, 33499494, 66998988]

約数ペア:

[(1, 66998988), (2, 33499494), (3, 22332996), (4, 16749747), (6, 11166498), (7, 9571284), (9, 7444332), (12, 5583249), (14, 4785642), (18, 3722166), (21, 3190428), (27, 2481444), (28, 2392821), (36, 1861083), (42, 1595214), (43, 1558116), (54, 1240722), (63, 1063476), (81, 827148), (84, 797607), (86, 779058), (108, 620361), (126, 531738), (129, 519372), (162, 413574), (172, 389529), (189, 354492), (229, 292572), (243, 275716), (252, 265869), (258, 259686), (301, 222588), (324, 206787), (378, 177246), (387, 173124), (458, 146286), (486, 137858), (516, 129843), (567, 118164), (602, 111294), (687, 97524), (756, 88623), (774, 86562), (903, 74196), (916, 73143), (972, 68929), (1134, 59082), (1161, 57708), (1204, 55647), (1374, 48762), (1548, 43281), (1603, 41796), (1701, 39388), (1806, 37098), (2061, 32508), (2268, 29541), (2322, 28854), (2709, 24732), (2748, 24381), (3206, 20898), (3402, 19694), (3483, 19236), (3612, 18549), (4122, 16254), (4644, 14427), (4809, 13932), (5418, 12366), (6183, 10836), (6412, 10449), (6804, 9847), (6966, 9618), (8127, 8244)]