521968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 1138320

約数和(自身を除く): 616352

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 101, 136, 152, 202, 272, 304, 323, 404, 646, 808, 1292, 1616, 1717, 1919, 2584, 3434, 3838, 5168, 6868, 7676, 13736, 15352, 27472, 30704, 32623, 65246, 130492, 260984, 521968]

約数ペア:

[(1, 521968), (2, 260984), (4, 130492), (8, 65246), (16, 32623), (17, 30704), (19, 27472), (34, 15352), (38, 13736), (68, 7676), (76, 6868), (101, 5168), (136, 3838), (152, 3434), (202, 2584), (272, 1919), (304, 1717), (323, 1616), (404, 1292), (646, 808)]