209657668

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 433562976

約数和(自身を除く): 223905308

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 83, 121, 166, 187, 242, 307, 332, 374, 484, 614, 748, 913, 1228, 1411, 1826, 2057, 2822, 3377, 3652, 4114, 5219, 5644, 6754, 8228, 10043, 10438, 13508, 15521, 20086, 20876, 25481, 31042, 37147, 40172, 50962, 57409, 62084, 74294, 101924, 114818, 148588, 170731, 229636, 280291, 341462, 433177, 560582, 631499, 682924, 866354, 1121164, 1262998, 1732708, 2525996, 3083201, 4764947, 6166402, 9529894, 12332804, 19059788, 52414417, 104828834, 209657668]

約数ペア:

[(1, 209657668), (2, 104828834), (4, 52414417), (11, 19059788), (17, 12332804), (22, 9529894), (34, 6166402), (44, 4764947), (68, 3083201), (83, 2525996), (121, 1732708), (166, 1262998), (187, 1121164), (242, 866354), (307, 682924), (332, 631499), (374, 560582), (484, 433177), (614, 341462), (748, 280291), (913, 229636), (1228, 170731), (1411, 148588), (1826, 114818), (2057, 101924), (2822, 74294), (3377, 62084), (3652, 57409), (4114, 50962), (5219, 40172), (5644, 37147), (6754, 31042), (8228, 25481), (10043, 20876), (10438, 20086), (13508, 15521)]