212881572

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2369

約数の個数: 72

約数和(自身を含む): 560693952

約数和(自身を除く): 347812380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 71, 74, 111, 142, 148, 213, 222, 284, 333, 426, 444, 639, 666, 852, 1278, 1332, 2251, 2556, 2627, 4502, 5254, 6753, 7881, 9004, 10508, 13506, 15762, 20259, 23643, 27012, 31524, 40518, 47286, 81036, 83287, 94572, 159821, 166574, 249861, 319642, 333148, 479463, 499722, 639284, 749583, 958926, 999444, 1438389, 1499166, 1917852, 2876778, 2998332, 5753556, 5913377, 11826754, 17740131, 23653508, 35480262, 53220393, 70960524, 106440786, 212881572]

約数ペア:

[(1, 212881572), (2, 106440786), (3, 70960524), (4, 53220393), (6, 35480262), (9, 23653508), (12, 17740131), (18, 11826754), (36, 5913377), (37, 5753556), (71, 2998332), (74, 2876778), (111, 1917852), (142, 1499166), (148, 1438389), (213, 999444), (222, 958926), (284, 749583), (333, 639284), (426, 499722), (444, 479463), (639, 333148), (666, 319642), (852, 249861), (1278, 166574), (1332, 159821), (2251, 94572), (2556, 83287), (2627, 81036), (4502, 47286), (5254, 40518), (6753, 31524), (7881, 27012), (9004, 23643), (10508, 20259), (13506, 15762)]