64840256

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{77933}}^1$

素因数の和:77958

約数の個数: 28

約数和(自身を含む): 138566652

約数和(自身を除く): 73726396

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 77933, 155866, 311732, 623464, 1013129, 1246928, 2026258, 2493856, 4052516, 4987712, 8105032, 16210064, 32420128, 64840256]

約数ペア:

[(1, 64840256), (2, 32420128), (4, 16210064), (8, 8105032), (13, 4987712), (16, 4052516), (26, 2493856), (32, 2026258), (52, 1246928), (64, 1013129), (104, 623464), (208, 311732), (416, 155866), (832, 77933)]