399020784

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{105227}}^1$

素因数の和:105317

約数の個数: 40

約数和(自身を含む): 1043861760

約数和(自身を除く): 644840976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 105227, 210454, 315681, 420908, 631362, 841816, 1262724, 1683632, 2525448, 5050896, 8312933, 16625866, 24938799, 33251732, 49877598, 66503464, 99755196, 133006928, 199510392, 399020784]

約数ペア:

[(1, 399020784), (2, 199510392), (3, 133006928), (4, 99755196), (6, 66503464), (8, 49877598), (12, 33251732), (16, 24938799), (24, 16625866), (48, 8312933), (79, 5050896), (158, 2525448), (237, 1683632), (316, 1262724), (474, 841816), (632, 631362), (948, 420908), (1264, 315681), (1896, 210454), (3792, 105227)]