395428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 36

約数和(自身を含む): 819280

約数和(自身を除く): 423852

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 121, 172, 209, 242, 418, 473, 484, 817, 836, 946, 1634, 1892, 2299, 3268, 4598, 5203, 8987, 9196, 10406, 17974, 20812, 35948, 98857, 197714, 395428]

約数ペア:

[(1, 395428), (2, 197714), (4, 98857), (11, 35948), (19, 20812), (22, 17974), (38, 10406), (43, 9196), (44, 8987), (76, 5203), (86, 4598), (121, 3268), (172, 2299), (209, 1892), (242, 1634), (418, 946), (473, 836), (484, 817)]