211515268458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{123931}}^1\times {\mathrm{21881}}^1$

素因数の和:145830

約数の個数: 32

約数和(自身を含む): 455595844032

約数和(自身を除く): 244080575574

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 21881, 43762, 65643, 123931, 131286, 247862, 284453, 371793, 568906, 743586, 853359, 1611103, 1706718, 3222206, 4833309, 9666618, 2711734211, 5423468422, 8135202633, 16270405266, 35252544743, 70505089486, 105757634229, 211515268458]

約数ペア:

[(1, 211515268458), (2, 105757634229), (3, 70505089486), (6, 35252544743), (13, 16270405266), (26, 8135202633), (39, 5423468422), (78, 2711734211), (21881, 9666618), (43762, 4833309), (65643, 3222206), (123931, 1706718), (131286, 1611103), (247862, 853359), (284453, 743586), (371793, 568906)]