261177852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1123

約数の個数: 96

約数和(自身を含む): 690923520

約数和(自身を除く): 429745668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 53, 62, 78, 93, 106, 124, 156, 159, 186, 212, 318, 372, 403, 636, 689, 806, 1019, 1209, 1378, 1612, 1643, 2038, 2067, 2418, 2756, 3057, 3286, 4076, 4134, 4836, 4929, 6114, 6572, 8268, 9858, 12228, 13247, 19716, 21359, 26494, 31589, 39741, 42718, 52988, 54007, 63178, 64077, 79482, 85436, 94767, 108014, 126356, 128154, 158964, 162021, 189534, 216028, 256308, 324042, 379068, 410657, 648084, 702091, 821314, 1231971, 1404182, 1642628, 1674217, 2106273, 2463942, 2808364, 3348434, 4212546, 4927884, 5022651, 6696868, 8425092, 10045302, 20090604, 21764821, 43529642, 65294463, 87059284, 130588926, 261177852]

約数ペア:

[(1, 261177852), (2, 130588926), (3, 87059284), (4, 65294463), (6, 43529642), (12, 21764821), (13, 20090604), (26, 10045302), (31, 8425092), (39, 6696868), (52, 5022651), (53, 4927884), (62, 4212546), (78, 3348434), (93, 2808364), (106, 2463942), (124, 2106273), (156, 1674217), (159, 1642628), (186, 1404182), (212, 1231971), (318, 821314), (372, 702091), (403, 648084), (636, 410657), (689, 379068), (806, 324042), (1019, 256308), (1209, 216028), (1378, 189534), (1612, 162021), (1643, 158964), (2038, 128154), (2067, 126356), (2418, 108014), (2756, 94767), (3057, 85436), (3286, 79482), (4076, 64077), (4134, 63178), (4836, 54007), (4929, 52988), (6114, 42718), (6572, 39741), (8268, 31589), (9858, 26494), (12228, 21359), (13247, 19716)]