211031574

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2609}}^1$

素因数の和:2705

約数の個数: 64

約数和(自身を含む): 489343680

約数和(自身を除く): 278312106

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 61, 78, 102, 122, 183, 221, 366, 442, 663, 793, 1037, 1326, 1586, 2074, 2379, 2609, 3111, 4758, 5218, 6222, 7827, 13481, 15654, 26962, 33917, 40443, 44353, 67834, 80886, 88706, 101751, 133059, 159149, 203502, 266118, 318298, 477447, 576589, 954894, 1153178, 1729767, 2068937, 2705533, 3459534, 4137874, 5411066, 6206811, 8116599, 12413622, 16233198, 35171929, 70343858, 105515787, 211031574]

約数ペア:

[(1, 211031574), (2, 105515787), (3, 70343858), (6, 35171929), (13, 16233198), (17, 12413622), (26, 8116599), (34, 6206811), (39, 5411066), (51, 4137874), (61, 3459534), (78, 2705533), (102, 2068937), (122, 1729767), (183, 1153178), (221, 954894), (366, 576589), (442, 477447), (663, 318298), (793, 266118), (1037, 203502), (1326, 159149), (1586, 133059), (2074, 101751), (2379, 88706), (2609, 80886), (3111, 67834), (4758, 44353), (5218, 40443), (6222, 33917), (7827, 26962), (13481, 15654)]