1994328245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 3021473280

約数和(自身を除く): 1027145035

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 97, 365, 455, 485, 511, 619, 679, 949, 1261, 2555, 3095, 3395, 4333, 4745, 6305, 6643, 7081, 8047, 8827, 21665, 33215, 35405, 40235, 44135, 45187, 49567, 56329, 60043, 92053, 225935, 247835, 281645, 300215, 316309, 420301, 460265, 587431, 644371, 780559, 1581545, 2101505, 2937155, 3221855, 3902795, 4112017, 4383139, 5463913, 20560085, 21915695, 27319565, 30681973, 56980807, 153409865, 284904035, 398865649, 1994328245]

約数ペア:

[(1, 1994328245), (5, 398865649), (7, 284904035), (13, 153409865), (35, 56980807), (65, 30681973), (73, 27319565), (91, 21915695), (97, 20560085), (365, 5463913), (455, 4383139), (485, 4112017), (511, 3902795), (619, 3221855), (679, 2937155), (949, 2101505), (1261, 1581545), (2555, 780559), (3095, 644371), (3395, 587431), (4333, 460265), (4745, 420301), (6305, 316309), (6643, 300215), (7081, 281645), (8047, 247835), (8827, 225935), (21665, 92053), (33215, 60043), (35405, 56329), (40235, 49567), (44135, 45187)]