981012456

素因数分解:

$2^3\times 3^2\times {\mathrm{647}}^1\times {\mathrm{21059}}^1$

素因数の和:21718

約数の個数: 48

約数和(自身を含む): 2661141600

約数和(自身を除く): 1680129144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 647, 1294, 1941, 2588, 3882, 5176, 5823, 7764, 11646, 15528, 21059, 23292, 42118, 46584, 63177, 84236, 126354, 168472, 189531, 252708, 379062, 505416, 758124, 1516248, 13625173, 27250346, 40875519, 54500692, 81751038, 109001384, 122626557, 163502076, 245253114, 327004152, 490506228, 981012456]

約数ペア:

[(1, 981012456), (2, 490506228), (3, 327004152), (4, 245253114), (6, 163502076), (8, 122626557), (9, 109001384), (12, 81751038), (18, 54500692), (24, 40875519), (36, 27250346), (72, 13625173), (647, 1516248), (1294, 758124), (1941, 505416), (2588, 379062), (3882, 252708), (5176, 189531), (5823, 168472), (7764, 126354), (11646, 84236), (15528, 63177), (21059, 46584), (23292, 42118)]