209901056

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{21577}}^1$

素因数の和:21614

約数の個数: 40

約数和(自身を含む): 441485880

約数和(自身を除く): 231584824

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 21577, 43154, 86308, 172616, 345232, 409963, 690464, 819926, 1380928, 1639852, 2761856, 3279704, 5523712, 6559408, 11047424, 13118816, 26237632, 52475264, 104950528, 209901056]

約数ペア:

[(1, 209901056), (2, 104950528), (4, 52475264), (8, 26237632), (16, 13118816), (19, 11047424), (32, 6559408), (38, 5523712), (64, 3279704), (76, 2761856), (128, 1639852), (152, 1380928), (256, 819926), (304, 690464), (512, 409963), (608, 345232), (1216, 172616), (2432, 86308), (4864, 43154), (9728, 21577)]