12290278

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 25223184

約数和(自身を除く): 12932906

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 877, 1001, 1078, 1274, 1754, 2002, 6139, 7007, 9647, 11401, 12278, 14014, 19294, 22802, 42973, 67529, 79807, 85946, 125411, 135058, 159614, 250822, 472703, 558649, 877877, 945406, 1117298, 1755754, 6145139, 12290278]

約数ペア:

[(1, 12290278), (2, 6145139), (7, 1755754), (11, 1117298), (13, 945406), (14, 877877), (22, 558649), (26, 472703), (49, 250822), (77, 159614), (91, 135058), (98, 125411), (143, 85946), (154, 79807), (182, 67529), (286, 42973), (539, 22802), (637, 19294), (877, 14014), (1001, 12278), (1078, 11401), (1274, 9647), (1754, 7007), (2002, 6139)]