218863764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1667}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 633866688

約数和(自身を除く): 415002924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 1042, 1563, 1667, 2084, 3126, 3334, 3647, 4689, 5001, 6252, 6668, 7294, 9378, 10002, 10941, 11669, 14588, 15003, 18756, 20004, 21882, 23338, 30006, 32823, 35007, 43764, 46676, 60012, 65646, 70014, 105021, 131292, 140028, 210042, 420084, 868507, 1737014, 2605521, 3474028, 5211042, 6079549, 7816563, 10422084, 12159098, 15633126, 18238647, 24318196, 31266252, 36477294, 54715941, 72954588, 109431882, 218863764]

約数ペア:

[(1, 218863764), (2, 109431882), (3, 72954588), (4, 54715941), (6, 36477294), (7, 31266252), (9, 24318196), (12, 18238647), (14, 15633126), (18, 12159098), (21, 10422084), (28, 7816563), (36, 6079549), (42, 5211042), (63, 3474028), (84, 2605521), (126, 1737014), (252, 868507), (521, 420084), (1042, 210042), (1563, 140028), (1667, 131292), (2084, 105021), (3126, 70014), (3334, 65646), (3647, 60012), (4689, 46676), (5001, 43764), (6252, 35007), (6668, 32823), (7294, 30006), (9378, 23338), (10002, 21882), (10941, 20004), (11669, 18756), (14588, 15003)]