681431542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 1185062400

約数和(自身を除く): 503630858

約数列:

[1, 2, 11, 19, 22, 38, 209, 239, 359, 361, 418, 478, 718, 722, 2629, 3949, 3971, 4541, 5258, 6821, 7898, 7942, 9082, 13642, 49951, 75031, 85801, 86279, 99902, 129599, 150062, 171602, 172558, 259198, 943811, 949069, 1425589, 1630219, 1887622, 1898138, 2851178, 3260438, 17932409, 30974161, 35864818, 61948322, 340715771, 681431542]

約数ペア:

[(1, 681431542), (2, 340715771), (11, 61948322), (19, 35864818), (22, 30974161), (38, 17932409), (209, 3260438), (239, 2851178), (359, 1898138), (361, 1887622), (418, 1630219), (478, 1425589), (718, 949069), (722, 943811), (2629, 259198), (3949, 172558), (3971, 171602), (4541, 150062), (5258, 129599), (6821, 99902), (7898, 86279), (7942, 85801), (9082, 75031), (13642, 49951)]