981442518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1\times {\mathrm{607}}^1$

素因数の和:1037

約数の個数: 64

約数和(自身を含む): 2271449088

約数和(自身を除く): 1290006570

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 281, 411, 562, 607, 822, 843, 959, 1214, 1686, 1821, 1918, 1967, 2877, 3642, 3934, 4249, 5754, 5901, 8498, 11802, 12747, 25494, 38497, 76994, 83159, 115491, 166318, 170567, 230982, 249477, 269479, 341134, 498954, 511701, 538958, 582113, 808437, 1023402, 1164226, 1193969, 1616874, 1746339, 2387938, 3492678, 3581907, 7163814, 23367679, 46735358, 70103037, 140206074, 163573753, 327147506, 490721259, 981442518]

約数ペア:

[(1, 981442518), (2, 490721259), (3, 327147506), (6, 163573753), (7, 140206074), (14, 70103037), (21, 46735358), (42, 23367679), (137, 7163814), (274, 3581907), (281, 3492678), (411, 2387938), (562, 1746339), (607, 1616874), (822, 1193969), (843, 1164226), (959, 1023402), (1214, 808437), (1686, 582113), (1821, 538958), (1918, 511701), (1967, 498954), (2877, 341134), (3642, 269479), (3934, 249477), (4249, 230982), (5754, 170567), (5901, 166318), (8498, 115491), (11802, 83159), (12747, 76994), (25494, 38497)]