181561276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 349820800

約数和(自身を除く): 168259524

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 193, 229, 316, 386, 458, 772, 916, 1027, 2054, 2509, 2977, 4108, 5018, 5954, 10036, 11908, 15247, 18091, 30494, 36182, 44197, 60988, 72364, 88394, 176788, 198211, 235183, 396422, 470366, 574561, 792844, 940732, 1149122, 2298244, 3491563, 6983126, 13966252, 45390319, 90780638, 181561276]

約数ペア:

[(1, 181561276), (2, 90780638), (4, 45390319), (13, 13966252), (26, 6983126), (52, 3491563), (79, 2298244), (158, 1149122), (193, 940732), (229, 792844), (316, 574561), (386, 470366), (458, 396422), (772, 235183), (916, 198211), (1027, 176788), (2054, 88394), (2509, 72364), (2977, 60988), (4108, 44197), (5018, 36182), (5954, 30494), (10036, 18091), (11908, 15247)]