788778991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5669}}^1$

素因数の和:5839

約数の個数: 32

約数和(自身を含む): 1066867200

約数和(自身を除く): 278088209

約数列:

[1, 7, 11, 13, 77, 91, 139, 143, 973, 1001, 1529, 1807, 5669, 10703, 12649, 19877, 39683, 62359, 73697, 139139, 436513, 515879, 787991, 810667, 5515937, 5674669, 8667901, 10243883, 60675307, 71707181, 112682713, 788778991]

約数ペア:

[(1, 788778991), (7, 112682713), (11, 71707181), (13, 60675307), (77, 10243883), (91, 8667901), (139, 5674669), (143, 5515937), (973, 810667), (1001, 787991), (1529, 515879), (1807, 436513), (5669, 139139), (10703, 73697), (12649, 62359), (19877, 39683)]