8691284

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 20018880

約数和(自身を除く): 11327596

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 31, 34, 38, 62, 68, 76, 119, 124, 133, 217, 238, 266, 323, 434, 476, 527, 532, 589, 646, 868, 961, 1054, 1178, 1292, 1922, 2108, 2261, 2356, 3689, 3844, 4123, 4522, 6727, 7378, 8246, 9044, 10013, 13454, 14756, 16337, 16492, 18259, 20026, 26908, 32674, 36518, 40052, 65348, 70091, 73036, 114359, 127813, 140182, 228718, 255626, 280364, 310403, 457436, 511252, 620806, 1241612, 2172821, 4345642, 8691284]

約数ペア:

[(1, 8691284), (2, 4345642), (4, 2172821), (7, 1241612), (14, 620806), (17, 511252), (19, 457436), (28, 310403), (31, 280364), (34, 255626), (38, 228718), (62, 140182), (68, 127813), (76, 114359), (119, 73036), (124, 70091), (133, 65348), (217, 40052), (238, 36518), (266, 32674), (323, 26908), (434, 20026), (476, 18259), (527, 16492), (532, 16337), (589, 14756), (646, 13454), (868, 10013), (961, 9044), (1054, 8246), (1178, 7378), (1292, 6727), (1922, 4522), (2108, 4123), (2261, 3844), (2356, 3689)]