64121395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 85800960

約数和(自身を除く): 21679565

約数列:

[1, 5, 13, 47, 65, 139, 151, 235, 611, 695, 755, 1807, 1963, 3055, 6533, 7097, 9035, 9815, 20989, 32665, 35485, 84929, 92261, 104945, 272857, 424645, 461305, 986483, 1364285, 4932415, 12824279, 64121395]

約数ペア:

[(1, 64121395), (5, 12824279), (13, 4932415), (47, 1364285), (65, 986483), (139, 461305), (151, 424645), (235, 272857), (611, 104945), (695, 92261), (755, 84929), (1807, 35485), (1963, 32665), (3055, 20989), (6533, 9815), (7097, 9035)]