208788944

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:964

約数の個数: 80

約数和(自身を含む): 501134592

約数和(自身を除く): 292345648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 193, 208, 364, 386, 728, 743, 772, 1351, 1456, 1486, 1544, 2509, 2702, 2972, 3088, 5018, 5201, 5404, 5944, 9659, 10036, 10402, 10808, 11888, 17563, 19318, 20072, 20804, 21616, 35126, 38636, 40144, 41608, 67613, 70252, 77272, 83216, 135226, 140504, 143399, 154544, 270452, 281008, 286798, 540904, 573596, 1003793, 1081808, 1147192, 1864187, 2007586, 2294384, 3728374, 4015172, 7456748, 8030344, 13049309, 14913496, 16060688, 26098618, 29826992, 52197236, 104394472, 208788944]

約数ペア:

[(1, 208788944), (2, 104394472), (4, 52197236), (7, 29826992), (8, 26098618), (13, 16060688), (14, 14913496), (16, 13049309), (26, 8030344), (28, 7456748), (52, 4015172), (56, 3728374), (91, 2294384), (104, 2007586), (112, 1864187), (182, 1147192), (193, 1081808), (208, 1003793), (364, 573596), (386, 540904), (728, 286798), (743, 281008), (772, 270452), (1351, 154544), (1456, 143399), (1486, 140504), (1544, 135226), (2509, 83216), (2702, 77272), (2972, 70252), (3088, 67613), (5018, 41608), (5201, 40144), (5404, 38636), (5944, 35126), (9659, 21616), (10036, 20804), (10402, 20072), (10808, 19318), (11888, 17563)]