28330146

素因数分解:

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

素因数の和:240

約数の個数: 72

約数和(自身を含む): 67944240

約数和(自身を除く): 39614094

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 139, 169, 201, 234, 278, 338, 402, 417, 507, 603, 834, 871, 1014, 1206, 1251, 1521, 1742, 1807, 2502, 2613, 3042, 3614, 5226, 5421, 7839, 9313, 10842, 11323, 15678, 16263, 18626, 22646, 23491, 27939, 32526, 33969, 46982, 55878, 67938, 70473, 83817, 101907, 121069, 140946, 167634, 203814, 211419, 242138, 363207, 422838, 726414, 1089621, 1573897, 2179242, 3147794, 4721691, 9443382, 14165073, 28330146]

約数ペア:

[(1, 28330146), (2, 14165073), (3, 9443382), (6, 4721691), (9, 3147794), (13, 2179242), (18, 1573897), (26, 1089621), (39, 726414), (67, 422838), (78, 363207), (117, 242138), (134, 211419), (139, 203814), (169, 167634), (201, 140946), (234, 121069), (278, 101907), (338, 83817), (402, 70473), (417, 67938), (507, 55878), (603, 46982), (834, 33969), (871, 32526), (1014, 27939), (1206, 23491), (1251, 22646), (1521, 18626), (1742, 16263), (1807, 15678), (2502, 11323), (2613, 10842), (3042, 9313), (3614, 7839), (5226, 5421)]