778573744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{61363}}^1$

素因数の和:61445

約数の個数: 40

約数和(自身を含む): 1651182512

約数和(自身を除く): 872608768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 61363, 122726, 245452, 490904, 797719, 981808, 1595438, 3190876, 3743143, 6381752, 7486286, 12763504, 14972572, 29945144, 48660859, 59890288, 97321718, 194643436, 389286872, 778573744]

約数ペア:

[(1, 778573744), (2, 389286872), (4, 194643436), (8, 97321718), (13, 59890288), (16, 48660859), (26, 29945144), (52, 14972572), (61, 12763504), (104, 7486286), (122, 6381752), (208, 3743143), (244, 3190876), (488, 1595438), (793, 981808), (976, 797719), (1586, 490904), (3172, 245452), (6344, 122726), (12688, 61363)]