128989696

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:685

約数の個数: 80

約数和(自身を含む): 289222560

約数和(自身を除く): 160232864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 256, 296, 352, 407, 512, 592, 619, 704, 814, 1184, 1238, 1408, 1628, 2368, 2476, 2816, 3256, 4736, 4952, 5632, 6512, 6809, 9472, 9904, 13024, 13618, 18944, 19808, 22903, 26048, 27236, 39616, 45806, 52096, 54472, 79232, 91612, 104192, 108944, 158464, 183224, 208384, 217888, 251933, 316928, 366448, 435776, 503866, 732896, 871552, 1007732, 1465792, 1743104, 2015464, 2931584, 3486208, 4030928, 5863168, 8061856, 11726336, 16123712, 32247424, 64494848, 128989696]

約数ペア:

[(1, 128989696), (2, 64494848), (4, 32247424), (8, 16123712), (11, 11726336), (16, 8061856), (22, 5863168), (32, 4030928), (37, 3486208), (44, 2931584), (64, 2015464), (74, 1743104), (88, 1465792), (128, 1007732), (148, 871552), (176, 732896), (256, 503866), (296, 435776), (352, 366448), (407, 316928), (512, 251933), (592, 217888), (619, 208384), (704, 183224), (814, 158464), (1184, 108944), (1238, 104192), (1408, 91612), (1628, 79232), (2368, 54472), (2476, 52096), (2816, 45806), (3256, 39616), (4736, 27236), (4952, 26048), (5632, 22903), (6512, 19808), (6809, 18944), (9472, 13618), (9904, 13024)]