26527990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 28215050

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 190, 191, 215, 323, 382, 430, 646, 731, 817, 955, 1462, 1615, 1634, 1910, 3230, 3247, 3629, 3655, 4085, 6494, 7258, 7310, 8170, 8213, 13889, 16235, 16426, 18145, 27778, 32470, 36290, 41065, 61693, 69445, 82130, 123386, 138890, 139621, 156047, 279242, 308465, 312094, 616930, 698105, 780235, 1396210, 1560470, 2652799, 5305598, 13263995, 26527990]

約数ペア:

[(1, 26527990), (2, 13263995), (5, 5305598), (10, 2652799), (17, 1560470), (19, 1396210), (34, 780235), (38, 698105), (43, 616930), (85, 312094), (86, 308465), (95, 279242), (170, 156047), (190, 139621), (191, 138890), (215, 123386), (323, 82130), (382, 69445), (430, 61693), (646, 41065), (731, 36290), (817, 32470), (955, 27778), (1462, 18145), (1615, 16426), (1634, 16235), (1910, 13889), (3230, 8213), (3247, 8170), (3629, 7310), (3655, 7258), (4085, 6494)]