1285685768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{7883}}^1$

素因数の和:7974

約数の個数: 64

約数和(自身を含む): 2696328000

約数和(自身を除く): 1410642232

約数列:

[1, 2, 4, 8, 19, 29, 37, 38, 58, 74, 76, 116, 148, 152, 232, 296, 551, 703, 1073, 1102, 1406, 2146, 2204, 2812, 4292, 4408, 5624, 7883, 8584, 15766, 20387, 31532, 40774, 63064, 81548, 149777, 163096, 228607, 291671, 299554, 457214, 583342, 599108, 914428, 1166684, 1198216, 1828856, 2333368, 4343533, 5541749, 8458459, 8687066, 11083498, 16916918, 17374132, 22166996, 33833836, 34748264, 44333992, 67667672, 160710721, 321421442, 642842884, 1285685768]

約数ペア:

[(1, 1285685768), (2, 642842884), (4, 321421442), (8, 160710721), (19, 67667672), (29, 44333992), (37, 34748264), (38, 33833836), (58, 22166996), (74, 17374132), (76, 16916918), (116, 11083498), (148, 8687066), (152, 8458459), (232, 5541749), (296, 4343533), (551, 2333368), (703, 1828856), (1073, 1198216), (1102, 1166684), (1406, 914428), (2146, 599108), (2204, 583342), (2812, 457214), (4292, 299554), (4408, 291671), (5624, 228607), (7883, 163096), (8584, 149777), (15766, 81548), (20387, 63064), (31532, 40774)]