64383590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 133539840

約数和(自身を除く): 69156250

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 643, 646, 1054, 1178, 1286, 1615, 2635, 2945, 3215, 3230, 5270, 5890, 6430, 10013, 10931, 12217, 19933, 20026, 21862, 24434, 39866, 50065, 54655, 61085, 99665, 100130, 109310, 122170, 199330, 207689, 338861, 378727, 415378, 677722, 757454, 1038445, 1694305, 1893635, 2076890, 3388610, 3787270, 6438359, 12876718, 32191795, 64383590]

約数ペア:

[(1, 64383590), (2, 32191795), (5, 12876718), (10, 6438359), (17, 3787270), (19, 3388610), (31, 2076890), (34, 1893635), (38, 1694305), (62, 1038445), (85, 757454), (95, 677722), (155, 415378), (170, 378727), (190, 338861), (310, 207689), (323, 199330), (527, 122170), (589, 109310), (643, 100130), (646, 99665), (1054, 61085), (1178, 54655), (1286, 50065), (1615, 39866), (2635, 24434), (2945, 21862), (3215, 20026), (3230, 19933), (5270, 12217), (5890, 10931), (6430, 10013)]