168805908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 436153536

約数和(自身を除く): 267347628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 211, 213, 284, 313, 422, 426, 626, 633, 639, 844, 852, 939, 1252, 1266, 1278, 1878, 1899, 2532, 2556, 2817, 3756, 3798, 5634, 7596, 11268, 14981, 22223, 29962, 44446, 44943, 59924, 66043, 66669, 88892, 89886, 132086, 133338, 134829, 179772, 198129, 200007, 264172, 266676, 269658, 396258, 400014, 539316, 594387, 792516, 800028, 1188774, 2377548, 4689053, 9378106, 14067159, 18756212, 28134318, 42201477, 56268636, 84402954, 168805908]

約数ペア:

[(1, 168805908), (2, 84402954), (3, 56268636), (4, 42201477), (6, 28134318), (9, 18756212), (12, 14067159), (18, 9378106), (36, 4689053), (71, 2377548), (142, 1188774), (211, 800028), (213, 792516), (284, 594387), (313, 539316), (422, 400014), (426, 396258), (626, 269658), (633, 266676), (639, 264172), (844, 200007), (852, 198129), (939, 179772), (1252, 134829), (1266, 133338), (1278, 132086), (1878, 89886), (1899, 88892), (2532, 66669), (2556, 66043), (2817, 59924), (3756, 44943), (3798, 44446), (5634, 29962), (7596, 22223), (11268, 14981)]