81817164

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 144

約数和(自身を含む): 253903104

約数和(自身を除く): 172085940

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 23, 26, 33, 36, 39, 44, 46, 52, 66, 69, 78, 92, 99, 117, 132, 138, 143, 156, 198, 207, 234, 253, 276, 286, 299, 396, 414, 429, 468, 506, 572, 598, 691, 759, 828, 858, 897, 1012, 1196, 1287, 1382, 1518, 1716, 1794, 2073, 2277, 2574, 2691, 2764, 3036, 3289, 3588, 4146, 4554, 5148, 5382, 6219, 6578, 7601, 8292, 8983, 9108, 9867, 10764, 12438, 13156, 15202, 15893, 17966, 19734, 22803, 24876, 26949, 29601, 30404, 31786, 35932, 39468, 45606, 47679, 53898, 59202, 63572, 68409, 80847, 91212, 95358, 98813, 107796, 118404, 136818, 143037, 161694, 174823, 190716, 197626, 206609, 273636, 286074, 296439, 323388, 349646, 395252, 413218, 524469, 572148, 592878, 619827, 699292, 826436, 889317, 1048938, 1185756, 1239654, 1573407, 1778634, 1859481, 2097876, 2272699, 2479308, 3146814, 3557268, 3718962, 4545398, 6293628, 6818097, 7437924, 9090796, 13636194, 20454291, 27272388, 40908582, 81817164]

約数ペア:

[(1, 81817164), (2, 40908582), (3, 27272388), (4, 20454291), (6, 13636194), (9, 9090796), (11, 7437924), (12, 6818097), (13, 6293628), (18, 4545398), (22, 3718962), (23, 3557268), (26, 3146814), (33, 2479308), (36, 2272699), (39, 2097876), (44, 1859481), (46, 1778634), (52, 1573407), (66, 1239654), (69, 1185756), (78, 1048938), (92, 889317), (99, 826436), (117, 699292), (132, 619827), (138, 592878), (143, 572148), (156, 524469), (198, 413218), (207, 395252), (234, 349646), (253, 323388), (276, 296439), (286, 286074), (299, 273636), (396, 206609), (414, 197626), (429, 190716), (468, 174823), (506, 161694), (572, 143037), (598, 136818), (691, 118404), (759, 107796), (828, 98813), (858, 95358), (897, 91212), (1012, 80847), (1196, 68409), (1287, 63572), (1382, 59202), (1518, 53898), (1716, 47679), (1794, 45606), (2073, 39468), (2277, 35932), (2574, 31786), (2691, 30404), (2764, 29601), (3036, 26949), (3289, 24876), (3588, 22803), (4146, 19734), (4554, 17966), (5148, 15893), (5382, 15202), (6219, 13156), (6578, 12438), (7601, 10764), (8292, 9867), (8983, 9108)]