128389716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39191}}^1$

素因数の和:39221

約数の個数: 72

約数和(自身を含む): 399444864

約数和(自身を除く): 271055148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 39191, 78382, 117573, 156764, 235146, 274337, 352719, 470292, 509483, 548674, 705438, 823011, 1018966, 1097348, 1410876, 1528449, 1646022, 2037932, 2469033, 3056898, 3292044, 3566381, 4585347, 4938066, 6113796, 7132762, 9170694, 9876132, 10699143, 14265524, 18341388, 21398286, 32097429, 42796572, 64194858, 128389716]

約数ペア:

[(1, 128389716), (2, 64194858), (3, 42796572), (4, 32097429), (6, 21398286), (7, 18341388), (9, 14265524), (12, 10699143), (13, 9876132), (14, 9170694), (18, 7132762), (21, 6113796), (26, 4938066), (28, 4585347), (36, 3566381), (39, 3292044), (42, 3056898), (52, 2469033), (63, 2037932), (78, 1646022), (84, 1528449), (91, 1410876), (117, 1097348), (126, 1018966), (156, 823011), (182, 705438), (234, 548674), (252, 509483), (273, 470292), (364, 352719), (468, 274337), (546, 235146), (819, 156764), (1092, 117573), (1638, 78382), (3276, 39191)]