218903594

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 431827200

約数和(自身を除く): 212923606

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 139, 182, 221, 238, 278, 442, 509, 973, 1018, 1547, 1807, 1946, 2363, 3094, 3563, 3614, 4726, 6617, 7126, 8653, 12649, 13234, 16541, 17306, 25298, 30719, 33082, 46319, 60571, 61438, 70751, 92638, 112489, 121142, 141502, 215033, 224978, 430066, 495257, 787423, 919763, 990514, 1202767, 1574846, 1839526, 2405534, 6438341, 8419369, 12876682, 15635971, 16838738, 31271942, 109451797, 218903594]

約数ペア:

[(1, 218903594), (2, 109451797), (7, 31271942), (13, 16838738), (14, 15635971), (17, 12876682), (26, 8419369), (34, 6438341), (91, 2405534), (119, 1839526), (139, 1574846), (182, 1202767), (221, 990514), (238, 919763), (278, 787423), (442, 495257), (509, 430066), (973, 224978), (1018, 215033), (1547, 141502), (1807, 121142), (1946, 112489), (2363, 92638), (3094, 70751), (3563, 61438), (3614, 60571), (4726, 46319), (6617, 33082), (7126, 30719), (8653, 25298), (12649, 17306), (13234, 16541)]