1388551808

素因数分解:

$2^7\times 7^3\times {\mathrm{31627}}^1$

素因数の和:31662

約数の個数: 64

約数和(自身を含む): 3226056000

約数和(自身を除く): 1837504192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 2744, 3136, 5488, 6272, 10976, 21952, 31627, 43904, 63254, 126508, 221389, 253016, 442778, 506032, 885556, 1012064, 1549723, 1771112, 2024128, 3099446, 3542224, 4048256, 6198892, 7084448, 10848061, 12397784, 14168896, 21696122, 24795568, 28337792, 43392244, 49591136, 86784488, 99182272, 173568976, 198364544, 347137952, 694275904, 1388551808]

約数ペア:

[(1, 1388551808), (2, 694275904), (4, 347137952), (7, 198364544), (8, 173568976), (14, 99182272), (16, 86784488), (28, 49591136), (32, 43392244), (49, 28337792), (56, 24795568), (64, 21696122), (98, 14168896), (112, 12397784), (128, 10848061), (196, 7084448), (224, 6198892), (343, 4048256), (392, 3542224), (448, 3099446), (686, 2024128), (784, 1771112), (896, 1549723), (1372, 1012064), (1568, 885556), (2744, 506032), (3136, 442778), (5488, 253016), (6272, 221389), (10976, 126508), (21952, 63254), (31627, 43904)]