278405244

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{911}}^1$

素因数の和:1587

約数の個数: 72

約数和(自身を含む): 759874752

約数和(自身を除く): 481469508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 653, 911, 1306, 1822, 1959, 2612, 2733, 3644, 3918, 5466, 5877, 7836, 8199, 8489, 10932, 11754, 11843, 16398, 16978, 23508, 23686, 25467, 32796, 33956, 35529, 47372, 50934, 71058, 76401, 101868, 106587, 142116, 152802, 213174, 305604, 426348, 594883, 1189766, 1784649, 2379532, 3569298, 5353947, 7138596, 7733479, 10707894, 15466958, 21415788, 23200437, 30933916, 46400874, 69601311, 92801748, 139202622, 278405244]

約数ペア:

[(1, 278405244), (2, 139202622), (3, 92801748), (4, 69601311), (6, 46400874), (9, 30933916), (12, 23200437), (13, 21415788), (18, 15466958), (26, 10707894), (36, 7733479), (39, 7138596), (52, 5353947), (78, 3569298), (117, 2379532), (156, 1784649), (234, 1189766), (468, 594883), (653, 426348), (911, 305604), (1306, 213174), (1822, 152802), (1959, 142116), (2612, 106587), (2733, 101868), (3644, 76401), (3918, 71058), (5466, 50934), (5877, 47372), (7836, 35529), (8199, 33956), (8489, 32796), (10932, 25467), (11754, 23686), (11843, 23508), (16398, 16978)]