318448585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 492355584

約数和(自身を除く): 173906999

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 107, 155, 211, 217, 403, 455, 535, 749, 1055, 1085, 1391, 1477, 2015, 2743, 2821, 3317, 3745, 6541, 6955, 7385, 9737, 13715, 14105, 16585, 19201, 22577, 23219, 32705, 43121, 45787, 48685, 85033, 96005, 112885, 116095, 158039, 215605, 228935, 293501, 301847, 425165, 595231, 699887, 790195, 1467505, 1509235, 2054507, 2976155, 3499435, 4899209, 9098531, 10272535, 24496045, 45492655, 63689717, 318448585]

約数ペア:

[(1, 318448585), (5, 63689717), (7, 45492655), (13, 24496045), (31, 10272535), (35, 9098531), (65, 4899209), (91, 3499435), (107, 2976155), (155, 2054507), (211, 1509235), (217, 1467505), (403, 790195), (455, 699887), (535, 595231), (749, 425165), (1055, 301847), (1085, 293501), (1391, 228935), (1477, 215605), (2015, 158039), (2743, 116095), (2821, 112885), (3317, 96005), (3745, 85033), (6541, 48685), (6955, 45787), (7385, 43121), (9737, 32705), (13715, 23219), (14105, 22577), (16585, 19201)]