221520234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 524837376

約数和(自身を除く): 303317142

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 51, 62, 78, 93, 102, 186, 221, 289, 317, 403, 442, 527, 578, 634, 663, 806, 867, 951, 1054, 1209, 1326, 1581, 1734, 1902, 2418, 3162, 3757, 4121, 5389, 6851, 7514, 8242, 8959, 9827, 10778, 11271, 12363, 13702, 16167, 17918, 19654, 20553, 22542, 24726, 26877, 29481, 32334, 41106, 53754, 58962, 70057, 91613, 116467, 127751, 140114, 167059, 183226, 210171, 232934, 255502, 274839, 334118, 349401, 383253, 420342, 501177, 549678, 698802, 766506, 1002354, 1190969, 2171767, 2381938, 2840003, 3572907, 4343534, 5680006, 6515301, 7145814, 8520009, 13030602, 17040018, 36920039, 73840078, 110760117, 221520234]

約数ペア:

[(1, 221520234), (2, 110760117), (3, 73840078), (6, 36920039), (13, 17040018), (17, 13030602), (26, 8520009), (31, 7145814), (34, 6515301), (39, 5680006), (51, 4343534), (62, 3572907), (78, 2840003), (93, 2381938), (102, 2171767), (186, 1190969), (221, 1002354), (289, 766506), (317, 698802), (403, 549678), (442, 501177), (527, 420342), (578, 383253), (634, 349401), (663, 334118), (806, 274839), (867, 255502), (951, 232934), (1054, 210171), (1209, 183226), (1326, 167059), (1581, 140114), (1734, 127751), (1902, 116467), (2418, 91613), (3162, 70057), (3757, 58962), (4121, 53754), (5389, 41106), (6851, 32334), (7514, 29481), (8242, 26877), (8959, 24726), (9827, 22542), (10778, 20553), (11271, 19654), (12363, 17918), (13702, 16167)]