1293673984

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{61627}}^1$

素因数の和:61686

約数の個数: 40

約数和(自身を含む): 2647908648

約数和(自身を除く): 1354234664

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 1312, 2624, 5248, 10496, 20992, 61627, 123254, 246508, 493016, 986032, 1972064, 2526707, 3944128, 5053414, 7888256, 10106828, 15776512, 20213656, 31553024, 40427312, 80854624, 161709248, 323418496, 646836992, 1293673984]

約数ペア:

[(1, 1293673984), (2, 646836992), (4, 323418496), (8, 161709248), (16, 80854624), (32, 40427312), (41, 31553024), (64, 20213656), (82, 15776512), (128, 10106828), (164, 7888256), (256, 5053414), (328, 3944128), (512, 2526707), (656, 1972064), (1312, 986032), (2624, 493016), (5248, 246508), (10496, 123254), (20992, 61627)]