1257001.00000000

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 78280704

約数和(自身を除く): 39910448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 127, 184, 254, 368, 508, 821, 1016, 1642, 2032, 2921, 3284, 5842, 6568, 11684, 13136, 18883, 23368, 37766, 46736, 75532, 104267, 151064, 208534, 302128, 417068, 834136, 1668272, 2398141, 4796282, 9592564, 19185128, 38370256]

約数ペア:

[(1, 38370256), (2, 19185128), (4, 9592564), (8, 4796282), (16, 2398141), (23, 1668272), (46, 834136), (92, 417068), (127, 302128), (184, 208534), (254, 151064), (368, 104267), (508, 75532), (821, 46736), (1016, 37766), (1642, 23368), (2032, 18883), (2921, 13136), (3284, 11684), (5842, 6568)]