128575278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 311875200

約数和(自身を除く): 183299922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 67, 78, 117, 118, 134, 139, 177, 201, 234, 278, 354, 402, 417, 531, 603, 767, 834, 871, 1062, 1206, 1251, 1534, 1742, 1807, 2301, 2502, 2613, 3614, 3953, 4602, 5226, 5421, 6903, 7839, 7906, 8201, 9313, 10842, 11859, 13806, 15678, 16263, 16402, 18626, 23718, 24603, 27939, 32526, 35577, 49206, 51389, 55878, 71154, 73809, 83817, 102778, 106613, 121069, 147618, 154167, 167634, 213226, 242138, 308334, 319839, 363207, 462501, 549467, 639678, 726414, 925002, 959517, 1089621, 1098934, 1648401, 1919034, 2179242, 3296802, 4945203, 7143071, 9890406, 14286142, 21429213, 42858426, 64287639, 128575278]

約数ペア:

[(1, 128575278), (2, 64287639), (3, 42858426), (6, 21429213), (9, 14286142), (13, 9890406), (18, 7143071), (26, 4945203), (39, 3296802), (59, 2179242), (67, 1919034), (78, 1648401), (117, 1098934), (118, 1089621), (134, 959517), (139, 925002), (177, 726414), (201, 639678), (234, 549467), (278, 462501), (354, 363207), (402, 319839), (417, 308334), (531, 242138), (603, 213226), (767, 167634), (834, 154167), (871, 147618), (1062, 121069), (1206, 106613), (1251, 102778), (1534, 83817), (1742, 73809), (1807, 71154), (2301, 55878), (2502, 51389), (2613, 49206), (3614, 35577), (3953, 32526), (4602, 27939), (5226, 24603), (5421, 23718), (6903, 18626), (7839, 16402), (7906, 16263), (8201, 15678), (9313, 13806), (10842, 11859)]