990578358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1591

約数の個数: 144

約数和(自身を含む): 2760645888

約数和(自身を除く): 1770067530

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 43, 63, 66, 77, 86, 99, 121, 126, 129, 154, 198, 231, 242, 258, 301, 363, 387, 462, 473, 602, 693, 726, 774, 847, 903, 946, 1089, 1386, 1419, 1511, 1694, 1806, 2178, 2541, 2709, 2838, 3022, 3311, 4257, 4533, 5082, 5203, 5418, 6622, 7623, 8514, 9066, 9933, 10406, 10577, 13599, 15246, 15609, 16621, 19866, 21154, 27198, 29799, 31218, 31731, 33242, 36421, 46827, 49863, 59598, 63462, 64973, 72842, 93654, 95193, 99726, 109263, 116347, 129946, 149589, 182831, 190386, 194919, 218526, 232694, 299178, 327789, 349041, 365662, 389838, 454811, 548493, 584757, 655578, 698082, 714703, 909622, 1047123, 1096986, 1169514, 1279817, 1364433, 1429406, 1645479, 2094246, 2144109, 2559634, 2728866, 3290958, 3839451, 4093299, 4288218, 5002921, 6432327, 7678902, 7861733, 8186598, 10005842, 11518353, 12864654, 15008763, 15723466, 23036706, 23585199, 30017526, 45026289, 47170398, 55032131, 70755597, 90052578, 110064262, 141511194, 165096393, 330192786, 495289179, 990578358]

約数ペア:

[(1, 990578358), (2, 495289179), (3, 330192786), (6, 165096393), (7, 141511194), (9, 110064262), (11, 90052578), (14, 70755597), (18, 55032131), (21, 47170398), (22, 45026289), (33, 30017526), (42, 23585199), (43, 23036706), (63, 15723466), (66, 15008763), (77, 12864654), (86, 11518353), (99, 10005842), (121, 8186598), (126, 7861733), (129, 7678902), (154, 6432327), (198, 5002921), (231, 4288218), (242, 4093299), (258, 3839451), (301, 3290958), (363, 2728866), (387, 2559634), (462, 2144109), (473, 2094246), (602, 1645479), (693, 1429406), (726, 1364433), (774, 1279817), (847, 1169514), (903, 1096986), (946, 1047123), (1089, 909622), (1386, 714703), (1419, 698082), (1511, 655578), (1694, 584757), (1806, 548493), (2178, 454811), (2541, 389838), (2709, 365662), (2838, 349041), (3022, 327789), (3311, 299178), (4257, 232694), (4533, 218526), (5082, 194919), (5203, 190386), (5418, 182831), (6622, 149589), (7623, 129946), (8514, 116347), (9066, 109263), (9933, 99726), (10406, 95193), (10577, 93654), (13599, 72842), (15246, 64973), (15609, 63462), (16621, 59598), (19866, 49863), (21154, 46827), (27198, 36421), (29799, 33242), (31218, 31731)]