1285442984

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1290

約数の個数: 64

約数和(自身を含む): 2802954240

約数和(自身を除く): 1517511256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 383, 511, 584, 766, 821, 1022, 1532, 1642, 2044, 2681, 3064, 3284, 4088, 5362, 5747, 6568, 10724, 11494, 21448, 22988, 27959, 45976, 55918, 59933, 111836, 119866, 195713, 223672, 239732, 314443, 391426, 419531, 479464, 628886, 782852, 839062, 1257772, 1565704, 1678124, 2201101, 2515544, 3356248, 4402202, 8804404, 17608808, 22954339, 45908678, 91817356, 160680373, 183634712, 321360746, 642721492, 1285442984]

約数ペア:

[(1, 1285442984), (2, 642721492), (4, 321360746), (7, 183634712), (8, 160680373), (14, 91817356), (28, 45908678), (56, 22954339), (73, 17608808), (146, 8804404), (292, 4402202), (383, 3356248), (511, 2515544), (584, 2201101), (766, 1678124), (821, 1565704), (1022, 1257772), (1532, 839062), (1642, 782852), (2044, 628886), (2681, 479464), (3064, 419531), (3284, 391426), (4088, 314443), (5362, 239732), (5747, 223672), (6568, 195713), (10724, 119866), (11494, 111836), (21448, 59933), (22988, 55918), (27959, 45976)]