1891036751919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{2689}}^1\times {\mathrm{4993}}^1$

素因数の和:8064

約数の個数: 64

約数和(自身を含む): 3043575321600

約数和(自身を除く): 1152538569681

約数列:

[1, 3, 7, 19, 21, 57, 133, 353, 399, 1059, 2471, 2689, 4993, 6707, 7413, 8067, 14979, 18823, 20121, 34951, 46949, 51091, 56469, 94867, 104853, 140847, 153273, 284601, 357637, 664069, 949217, 1072911, 1762529, 1992207, 2847651, 5287587, 6644519, 12337703, 13426177, 18035123, 19933557, 33488051, 37013109, 40278531, 54105369, 93983239, 100464153, 126245861, 234416357, 255097363, 281949717, 378737583, 703249071, 765292089, 1785681541, 4739440481, 5357044623, 14218321443, 33176083367, 90049369139, 99528250101, 270148107417, 630345583973, 1891036751919]

約数ペア:

[(1, 1891036751919), (3, 630345583973), (7, 270148107417), (19, 99528250101), (21, 90049369139), (57, 33176083367), (133, 14218321443), (353, 5357044623), (399, 4739440481), (1059, 1785681541), (2471, 765292089), (2689, 703249071), (4993, 378737583), (6707, 281949717), (7413, 255097363), (8067, 234416357), (14979, 126245861), (18823, 100464153), (20121, 93983239), (34951, 54105369), (46949, 40278531), (51091, 37013109), (56469, 33488051), (94867, 19933557), (104853, 18035123), (140847, 13426177), (153273, 12337703), (284601, 6644519), (357637, 5287587), (664069, 2847651), (949217, 1992207), (1072911, 1762529)]