261882890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{10853}}^1$

素因数の和:11006

約数の個数: 32

約数和(自身を含む): 500152320

約数和(自身を除く): 238269430

約数列:

[1, 2, 5, 10, 19, 38, 95, 127, 190, 254, 635, 1270, 2413, 4826, 10853, 12065, 21706, 24130, 54265, 108530, 206207, 412414, 1031035, 1378331, 2062070, 2756662, 6891655, 13783310, 26188289, 52376578, 130941445, 261882890]

約数ペア:

[(1, 261882890), (2, 130941445), (5, 52376578), (10, 26188289), (19, 13783310), (38, 6891655), (95, 2756662), (127, 2062070), (190, 1378331), (254, 1031035), (635, 412414), (1270, 206207), (2413, 108530), (4826, 54265), (10853, 24130), (12065, 21706)]