1331705872

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{276517}}^1$

素因数の和:276575

約数の個数: 40

約数和(自身を含む): 3017364416

約数和(自身を除く): 1685658544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 276517, 553034, 1106068, 1935619, 2212136, 3871238, 4424272, 7742476, 11890231, 15484952, 23780462, 30969904, 47560924, 83231617, 95121848, 166463234, 190243696, 332926468, 665852936, 1331705872]

約数ペア:

[(1, 1331705872), (2, 665852936), (4, 332926468), (7, 190243696), (8, 166463234), (14, 95121848), (16, 83231617), (28, 47560924), (43, 30969904), (56, 23780462), (86, 15484952), (112, 11890231), (172, 7742476), (301, 4424272), (344, 3871238), (602, 2212136), (688, 1935619), (1204, 1106068), (2408, 553034), (4816, 276517)]