1640473984

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{674537}}^1$

素因数の和:674570

約数の個数: 32

約数和(自身を含む): 3440143800

約数和(自身を除く): 1799669816

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 674537, 1349074, 2698148, 5396296, 10792592, 12816203, 21585184, 25632406, 43170368, 51264812, 86340736, 102529624, 205059248, 410118496, 820236992, 1640473984]

約数ペア:

[(1, 1640473984), (2, 820236992), (4, 410118496), (8, 205059248), (16, 102529624), (19, 86340736), (32, 51264812), (38, 43170368), (64, 25632406), (76, 21585184), (128, 12816203), (152, 10792592), (304, 5396296), (608, 2698148), (1216, 1349074), (2432, 674537)]