213882578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 411844608

約数和(自身を除く): 197962030

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 167, 182, 217, 227, 334, 403, 434, 454, 806, 1169, 1589, 2171, 2338, 2821, 2951, 3178, 4342, 5177, 5642, 5902, 7037, 10354, 14074, 15197, 20657, 30394, 36239, 37909, 41314, 49259, 67301, 72478, 75818, 91481, 98518, 134602, 182962, 265363, 471107, 492817, 530726, 640367, 942214, 985634, 1175179, 1280734, 2350358, 3449719, 6899438, 8226253, 15277327, 16452506, 30554654, 106941289, 213882578]

約数ペア:

[(1, 213882578), (2, 106941289), (7, 30554654), (13, 16452506), (14, 15277327), (26, 8226253), (31, 6899438), (62, 3449719), (91, 2350358), (167, 1280734), (182, 1175179), (217, 985634), (227, 942214), (334, 640367), (403, 530726), (434, 492817), (454, 471107), (806, 265363), (1169, 182962), (1589, 134602), (2171, 98518), (2338, 91481), (2821, 75818), (2951, 72478), (3178, 67301), (4342, 49259), (5177, 41314), (5642, 37909), (5902, 36239), (7037, 30394), (10354, 20657), (14074, 15197)]