199401176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 419758080

約数和(自身を除く): 220356904

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 127, 248, 254, 403, 487, 508, 806, 974, 1016, 1612, 1651, 1948, 3224, 3302, 3896, 3937, 6331, 6604, 7874, 12662, 13208, 15097, 15748, 25324, 30194, 31496, 50648, 51181, 60388, 61849, 102362, 120776, 123698, 196261, 204724, 247396, 392522, 409448, 494792, 785044, 804037, 1570088, 1608074, 1917319, 3216148, 3834638, 6432296, 7669276, 15338552, 24925147, 49850294, 99700588, 199401176]

約数ペア:

[(1, 199401176), (2, 99700588), (4, 49850294), (8, 24925147), (13, 15338552), (26, 7669276), (31, 6432296), (52, 3834638), (62, 3216148), (104, 1917319), (124, 1608074), (127, 1570088), (248, 804037), (254, 785044), (403, 494792), (487, 409448), (508, 392522), (806, 247396), (974, 204724), (1016, 196261), (1612, 123698), (1651, 120776), (1948, 102362), (3224, 61849), (3302, 60388), (3896, 51181), (3937, 50648), (6331, 31496), (6604, 30194), (7874, 25324), (12662, 15748), (13208, 15097)]