128535844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 245306880

約数和(自身を除く): 116771036

約数列:

[1, 2, 4, 17, 34, 68, 71, 79, 142, 158, 284, 316, 337, 674, 1207, 1343, 1348, 2414, 2686, 4828, 5372, 5609, 5729, 11218, 11458, 22436, 22916, 23927, 26623, 47854, 53246, 95353, 95708, 106492, 190706, 381412, 406759, 452591, 813518, 905182, 1627036, 1810364, 1890233, 3780466, 7560932, 32133961, 64267922, 128535844]

約数ペア:

[(1, 128535844), (2, 64267922), (4, 32133961), (17, 7560932), (34, 3780466), (68, 1890233), (71, 1810364), (79, 1627036), (142, 905182), (158, 813518), (284, 452591), (316, 406759), (337, 381412), (674, 190706), (1207, 106492), (1343, 95708), (1348, 95353), (2414, 53246), (2686, 47854), (4828, 26623), (5372, 23927), (5609, 22916), (5729, 22436), (11218, 11458)]