393973928

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{28319}}^1$

素因数の和:28409

約数の個数: 32

約数和(自身を含む): 774835200

約数和(自身を除く): 380861272

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1739, 3478, 6956, 13912, 28319, 56638, 113276, 226552, 1047803, 1330993, 2095606, 2661986, 4191212, 5323972, 8382424, 10647944, 49246741, 98493482, 196986964, 393973928]

約数ペア:

[(1, 393973928), (2, 196986964), (4, 98493482), (8, 49246741), (37, 10647944), (47, 8382424), (74, 5323972), (94, 4191212), (148, 2661986), (188, 2095606), (296, 1330993), (376, 1047803), (1739, 226552), (3478, 113276), (6956, 56638), (13912, 28319)]