1286171648

素因数分解:

$2^{10}\times {\mathrm{31}}^2\times {\mathrm{1307}}^1$

素因数の和:1389

約数の個数: 66

約数和(自身を含む): 2658733668

約数和(自身を除く): 1372562020

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 961, 992, 1024, 1307, 1922, 1984, 2614, 3844, 3968, 5228, 7688, 7936, 10456, 15376, 15872, 20912, 30752, 31744, 40517, 41824, 61504, 81034, 83648, 123008, 162068, 167296, 246016, 324136, 334592, 492032, 648272, 669184, 984064, 1256027, 1296544, 1338368, 2512054, 2593088, 5024108, 5186176, 10048216, 10372352, 20096432, 20744704, 40192864, 41489408, 80385728, 160771456, 321542912, 643085824, 1286171648]

約数ペア:

[(1, 1286171648), (2, 643085824), (4, 321542912), (8, 160771456), (16, 80385728), (31, 41489408), (32, 40192864), (62, 20744704), (64, 20096432), (124, 10372352), (128, 10048216), (248, 5186176), (256, 5024108), (496, 2593088), (512, 2512054), (961, 1338368), (992, 1296544), (1024, 1256027), (1307, 984064), (1922, 669184), (1984, 648272), (2614, 492032), (3844, 334592), (3968, 324136), (5228, 246016), (7688, 167296), (7936, 162068), (10456, 123008), (15376, 83648), (15872, 81034), (20912, 61504), (30752, 41824), (31744, 40517)]