40969138

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 72777600

約数和(自身を除く): 31808462

約数列:

[1, 2, 7, 14, 37, 74, 139, 259, 278, 518, 569, 973, 1138, 1946, 3983, 5143, 7966, 10286, 21053, 36001, 42106, 72002, 79091, 147371, 158182, 294742, 553637, 1107274, 2926367, 5852734, 20484569, 40969138]

約数ペア:

[(1, 40969138), (2, 20484569), (7, 5852734), (14, 2926367), (37, 1107274), (74, 553637), (139, 294742), (259, 158182), (278, 147371), (518, 79091), (569, 72002), (973, 42106), (1138, 36001), (1946, 21053), (3983, 10286), (5143, 7966)]