90151984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6469}}^1$

素因数の和:6557

約数の個数: 40

約数和(自身を含む): 190942640

約数和(自身を除く): 100790656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6469, 6968, 12938, 13936, 25876, 51752, 84097, 103504, 168194, 336388, 433423, 672776, 866846, 1345552, 1733692, 3467384, 5634499, 6934768, 11268998, 22537996, 45075992, 90151984]

約数ペア:

[(1, 90151984), (2, 45075992), (4, 22537996), (8, 11268998), (13, 6934768), (16, 5634499), (26, 3467384), (52, 1733692), (67, 1345552), (104, 866846), (134, 672776), (208, 433423), (268, 336388), (536, 168194), (871, 103504), (1072, 84097), (1742, 51752), (3484, 25876), (6469, 13936), (6968, 12938)]