639788256

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{76603}}^1$

素因数の和:76648

約数の個数: 72

約数和(自身を含む): 1882160280

約数和(自身を除く): 1242372024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2784, 4176, 8352, 76603, 153206, 229809, 306412, 459618, 612824, 689427, 919236, 1225648, 1378854, 1838472, 2221487, 2451296, 2757708, 3676944, 4442974, 5515416, 6664461, 7353888, 8885948, 11030832, 13328922, 17771896, 19993383, 22061664, 26657844, 35543792, 39986766, 53315688, 71087584, 79973532, 106631376, 159947064, 213262752, 319894128, 639788256]

約数ペア:

[(1, 639788256), (2, 319894128), (3, 213262752), (4, 159947064), (6, 106631376), (8, 79973532), (9, 71087584), (12, 53315688), (16, 39986766), (18, 35543792), (24, 26657844), (29, 22061664), (32, 19993383), (36, 17771896), (48, 13328922), (58, 11030832), (72, 8885948), (87, 7353888), (96, 6664461), (116, 5515416), (144, 4442974), (174, 3676944), (232, 2757708), (261, 2451296), (288, 2221487), (348, 1838472), (464, 1378854), (522, 1225648), (696, 919236), (928, 689427), (1044, 612824), (1392, 459618), (2088, 306412), (2784, 229809), (4176, 153206), (8352, 76603)]