28491786468

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1291}}^1\times {\mathrm{3761}}^1$

素因数の和:5225

約数の個数: 72

約数和(自身を含む): 72538161696

約数和(自身を除く): 44046375228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1291, 1467, 1956, 2582, 2934, 3761, 3873, 5164, 5868, 7522, 7746, 11283, 11619, 15044, 15492, 22566, 23238, 33849, 45132, 46476, 67698, 135396, 210433, 420866, 613043, 631299, 841732, 1226086, 1262598, 1839129, 1893897, 2452172, 2525196, 3678258, 3787794, 4855451, 5517387, 7356516, 7575588, 9710902, 11034774, 14566353, 19421804, 22069548, 29132706, 43699059, 58265412, 87398118, 174796236, 791438513, 1582877026, 2374315539, 3165754052, 4748631078, 7122946617, 9497262156, 14245893234, 28491786468]

約数ペア:

[(1, 28491786468), (2, 14245893234), (3, 9497262156), (4, 7122946617), (6, 4748631078), (9, 3165754052), (12, 2374315539), (18, 1582877026), (36, 791438513), (163, 174796236), (326, 87398118), (489, 58265412), (652, 43699059), (978, 29132706), (1291, 22069548), (1467, 19421804), (1956, 14566353), (2582, 11034774), (2934, 9710902), (3761, 7575588), (3873, 7356516), (5164, 5517387), (5868, 4855451), (7522, 3787794), (7746, 3678258), (11283, 2525196), (11619, 2452172), (15044, 1893897), (15492, 1839129), (22566, 1262598), (23238, 1226086), (33849, 841732), (45132, 631299), (46476, 613043), (67698, 420866), (135396, 210433)]