639977364

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{33353}}^1$

素因数の和:33417

約数の個数: 72

約数和(自身を含む): 1784705832

約数和(自身を除く): 1144728468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1599, 2132, 3198, 4797, 6396, 9594, 19188, 33353, 66706, 100059, 133412, 200118, 300177, 400236, 433589, 600354, 867178, 1200708, 1300767, 1367473, 1734356, 2601534, 2734946, 3902301, 4102419, 5203068, 5469892, 7804602, 8204838, 12307257, 15609204, 16409676, 17777149, 24614514, 35554298, 49229028, 53331447, 71108596, 106662894, 159994341, 213325788, 319988682, 639977364]

約数ペア:

[(1, 639977364), (2, 319988682), (3, 213325788), (4, 159994341), (6, 106662894), (9, 71108596), (12, 53331447), (13, 49229028), (18, 35554298), (26, 24614514), (36, 17777149), (39, 16409676), (41, 15609204), (52, 12307257), (78, 8204838), (82, 7804602), (117, 5469892), (123, 5203068), (156, 4102419), (164, 3902301), (234, 2734946), (246, 2601534), (369, 1734356), (468, 1367473), (492, 1300767), (533, 1200708), (738, 867178), (1066, 600354), (1476, 433589), (1599, 400236), (2132, 300177), (3198, 200118), (4797, 133412), (6396, 100059), (9594, 66706), (19188, 33353)]