266261478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 680140800

約数和(自身を除く): 413879322

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 57, 69, 89, 114, 133, 138, 161, 163, 178, 266, 267, 322, 326, 399, 437, 483, 489, 534, 623, 798, 874, 966, 978, 1141, 1246, 1311, 1691, 1869, 2047, 2282, 2622, 3059, 3097, 3382, 3423, 3738, 3749, 4094, 5073, 6118, 6141, 6194, 6846, 7498, 9177, 9291, 10146, 11247, 11837, 12282, 14329, 14507, 18354, 18582, 21679, 22494, 23674, 26243, 28658, 29014, 35511, 38893, 42987, 43358, 43521, 52486, 65037, 71022, 71231, 77786, 78729, 85974, 87042, 101549, 116679, 130074, 142462, 157458, 203098, 213693, 233358, 272251, 275633, 304647, 333661, 427386, 498617, 544502, 551266, 609294, 667322, 816753, 826899, 997234, 1000983, 1495851, 1633506, 1653798, 1929431, 2001966, 2335627, 2991702, 3858862, 4671254, 5788293, 6339559, 7006881, 11576586, 12679118, 14013762, 19018677, 38037354, 44376913, 88753826, 133130739, 266261478]

約数ペア:

[(1, 266261478), (2, 133130739), (3, 88753826), (6, 44376913), (7, 38037354), (14, 19018677), (19, 14013762), (21, 12679118), (23, 11576586), (38, 7006881), (42, 6339559), (46, 5788293), (57, 4671254), (69, 3858862), (89, 2991702), (114, 2335627), (133, 2001966), (138, 1929431), (161, 1653798), (163, 1633506), (178, 1495851), (266, 1000983), (267, 997234), (322, 826899), (326, 816753), (399, 667322), (437, 609294), (483, 551266), (489, 544502), (534, 498617), (623, 427386), (798, 333661), (874, 304647), (966, 275633), (978, 272251), (1141, 233358), (1246, 213693), (1311, 203098), (1691, 157458), (1869, 142462), (2047, 130074), (2282, 116679), (2622, 101549), (3059, 87042), (3097, 85974), (3382, 78729), (3423, 77786), (3738, 71231), (3749, 71022), (4094, 65037), (5073, 52486), (6118, 43521), (6141, 43358), (6194, 42987), (6846, 38893), (7498, 35511), (9177, 29014), (9291, 28658), (10146, 26243), (11247, 23674), (11837, 22494), (12282, 21679), (14329, 18582), (14507, 18354)]