428378123712

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 1008

約数和(自身を含む): 1528135526400

約数和(自身を除く): 1099757402688

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 31, 32, 33, 42, 44, 48, 49, 56, 61, 62, 64, 66, 77, 84, 88, 93, 96, 98, 112, 121, 122, 124, 132, 147, 154, 168, 176, 183, 186, 192, 196, 199, 217, 224, 231, 242, 244, 248, 264, 294, 308, 336, 341, 352, 363, 366, 372, 392, 398, 427, 434, 448, 462, 484, 488, 496, 528, 539, 588, 597, 616, 651, 671, 672, 682, 704, 726, 732, 744, 784, 796, 847, 854, 868, 924, 968, 976, 992, 1023, 1056, 1078, 1176, 1194, 1232, 1281, 1302, 1342, 1344, 1364, 1393, 1452, 1464, 1488, 1519, 1568, 1592, 1617, 1694, 1708, 1736, 1848, 1891, 1936, 1952, 1984, 2013, 2046, 2112, 2156, 2189, 2352, 2387, 2388, 2464, 2541, 2562, 2604, 2684, 2728, 2786, 2904, 2928, 2976, 2989, 3038, 3136, 3184, 3234, 3388, 3416, 3472, 3696, 3751, 3782, 3872, 3904, 4026, 4092, 4179, 4312, 4378, 4557, 4697, 4704, 4774, 4776, 4928, 5082, 5124, 5208, 5368, 5456, 5572, 5673, 5808, 5856, 5929, 5952, 5978, 6076, 6169, 6368, 6468, 6567, 6776, 6832, 6944, 7161, 7381, 7392, 7502, 7564, 7744, 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約数ペア:

[(1, 428378123712), (2, 214189061856), (3, 142792707904), (4, 107094530928), (6, 71396353952), (7, 61196874816), (8, 53547265464), (11, 38943465792), (12, 35698176976), (14, 30598437408), (16, 26773632732), (21, 20398958272), (22, 19471732896), (24, 17849088488), (28, 15299218704), (31, 13818649152), (32, 13386816366), (33, 12981155264), (42, 10199479136), (44, 9735866448), (48, 8924544244), (49, 8742410688), (56, 7649609352), (61, 7022592192), (62, 6909324576), (64, 6693408183), (66, 6490577632), (77, 5563352256), (84, 5099739568), (88, 4867933224), (93, 4606216384), (96, 4462272122), (98, 4371205344), (112, 3824804676), (121, 3540315072), (122, 3511296096), (124, 3454662288), (132, 3245288816), (147, 2914136896), (154, 2781676128), (168, 2549869784), (176, 2433966612), (183, 2340864064), (186, 2303108192), (192, 2231136061), (196, 2185602672), (199, 2152653888), (217, 1974092736), (224, 1912402338), (231, 1854450752), (242, 1770157536), (244, 1755648048), (248, 1727331144), (264, 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