81626204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 83484196

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 251, 389, 418, 502, 778, 836, 1004, 1556, 2761, 4279, 4769, 5522, 7391, 8558, 9538, 11044, 14782, 17116, 19076, 29564, 52459, 81301, 97639, 104918, 162602, 195278, 209836, 325204, 390556, 1074029, 1855141, 2148058, 3710282, 4296116, 7420564, 20406551, 40813102, 81626204]

約数ペア:

[(1, 81626204), (2, 40813102), (4, 20406551), (11, 7420564), (19, 4296116), (22, 3710282), (38, 2148058), (44, 1855141), (76, 1074029), (209, 390556), (251, 325204), (389, 209836), (418, 195278), (502, 162602), (778, 104918), (836, 97639), (1004, 81301), (1556, 52459), (2761, 29564), (4279, 19076), (4769, 17116), (5522, 14782), (7391, 11044), (8558, 9538)]