219857831518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1\times {\mathrm{2549}}^1$

素因数の和:3217

約数の個数: 64

約数和(自身を含む): 366436224000

約数和(自身を除く): 146578392482

約数列:

[1, 2, 13, 26, 43, 86, 179, 358, 431, 559, 862, 1118, 2327, 2549, 4654, 5098, 5603, 7697, 11206, 15394, 18533, 33137, 37066, 66274, 77149, 100061, 109607, 154298, 200122, 219214, 240929, 456271, 481858, 912542, 1002937, 1098619, 1424891, 2005874, 2197238, 2849782, 3317407, 5931523, 6634814, 11863046, 14282047, 19619653, 28564094, 39239306, 43126291, 47240617, 86252582, 94481234, 196652801, 255055489, 393305602, 510110978, 614128021, 1228256042, 2556486413, 5112972826, 8456070443, 16912140886, 109928915759, 219857831518]

約数ペア:

[(1, 219857831518), (2, 109928915759), (13, 16912140886), (26, 8456070443), (43, 5112972826), (86, 2556486413), (179, 1228256042), (358, 614128021), (431, 510110978), (559, 393305602), (862, 255055489), (1118, 196652801), (2327, 94481234), (2549, 86252582), (4654, 47240617), (5098, 43126291), (5603, 39239306), (7697, 28564094), (11206, 19619653), (15394, 14282047), (18533, 11863046), (33137, 6634814), (37066, 5931523), (66274, 3317407), (77149, 2849782), (100061, 2197238), (109607, 2005874), (154298, 1424891), (200122, 1098619), (219214, 1002937), (240929, 912542), (456271, 481858)]