661440.00000000

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 26248320

約数和(自身を除く): 13662812

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 619, 782, 884, 1196, 1238, 1564, 2476, 5083, 8047, 10166, 10523, 14237, 16094, 20332, 21046, 28474, 32188, 42092, 56948, 136799, 185081, 242029, 273598, 370162, 484058, 547196, 740324, 968116, 3146377, 6292754, 12585508]

約数ペア:

[(1, 12585508), (2, 6292754), (4, 3146377), (13, 968116), (17, 740324), (23, 547196), (26, 484058), (34, 370162), (46, 273598), (52, 242029), (68, 185081), (92, 136799), (221, 56948), (299, 42092), (391, 32188), (442, 28474), (598, 21046), (619, 20332), (782, 16094), (884, 14237), (1196, 10523), (1238, 10166), (1564, 8047), (2476, 5083)]