319998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 771840

約数和(自身を除く): 451842

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 401, 798, 802, 1203, 2406, 2807, 5614, 7619, 8421, 15238, 16842, 22857, 45714, 53333, 106666, 159999, 319998]

約数ペア:

[(1, 319998), (2, 159999), (3, 106666), (6, 53333), (7, 45714), (14, 22857), (19, 16842), (21, 15238), (38, 8421), (42, 7619), (57, 5614), (114, 2807), (133, 2406), (266, 1203), (399, 802), (401, 798)]