278432868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{194981}}^1$

素因数の和:195012

約数の個数: 48

約数和(自身を含む): 786167424

約数和(自身を除く): 507734556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 194981, 389962, 584943, 779924, 1169886, 1364867, 2339772, 2729734, 3314677, 4094601, 5459468, 6629354, 8189202, 9944031, 13258708, 16378404, 19888062, 23202739, 39776124, 46405478, 69608217, 92810956, 139216434, 278432868]

約数ペア:

[(1, 278432868), (2, 139216434), (3, 92810956), (4, 69608217), (6, 46405478), (7, 39776124), (12, 23202739), (14, 19888062), (17, 16378404), (21, 13258708), (28, 9944031), (34, 8189202), (42, 6629354), (51, 5459468), (68, 4094601), (84, 3314677), (102, 2729734), (119, 2339772), (204, 1364867), (238, 1169886), (357, 779924), (476, 584943), (714, 389962), (1428, 194981)]