128455978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{1447}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 233950464

約数和(自身を除く): 105494486

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 373, 746, 1447, 2611, 2894, 5222, 6341, 10129, 12682, 20258, 24599, 44387, 49198, 88774, 172193, 344386, 539731, 1079462, 3778117, 7556234, 9175427, 18350854, 64227989, 128455978]

約数ペア:

[(1, 128455978), (2, 64227989), (7, 18350854), (14, 9175427), (17, 7556234), (34, 3778117), (119, 1079462), (238, 539731), (373, 344386), (746, 172193), (1447, 88774), (2611, 49198), (2894, 44387), (5222, 24599), (6341, 20258), (10129, 12682)]