674504656

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 1523473920

約数和(自身を除く): 848969264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 157, 178, 314, 356, 431, 623, 628, 712, 862, 1099, 1246, 1256, 1424, 1724, 2198, 2492, 2512, 3017, 3448, 4396, 4984, 6034, 6896, 8792, 9968, 12068, 13973, 17584, 24136, 27946, 38359, 48272, 55892, 67667, 76718, 97811, 111784, 135334, 153436, 195622, 223568, 268513, 270668, 306872, 391244, 473669, 537026, 541336, 613744, 782488, 947338, 1074052, 1082672, 1564976, 1894676, 2148104, 3789352, 4296208, 6022363, 7578704, 12044726, 24089452, 42156541, 48178904, 84313082, 96357808, 168626164, 337252328, 674504656]

約数ペア:

[(1, 674504656), (2, 337252328), (4, 168626164), (7, 96357808), (8, 84313082), (14, 48178904), (16, 42156541), (28, 24089452), (56, 12044726), (89, 7578704), (112, 6022363), (157, 4296208), (178, 3789352), (314, 2148104), (356, 1894676), (431, 1564976), (623, 1082672), (628, 1074052), (712, 947338), (862, 782488), (1099, 613744), (1246, 541336), (1256, 537026), (1424, 473669), (1724, 391244), (2198, 306872), (2492, 270668), (2512, 268513), (3017, 223568), (3448, 195622), (4396, 153436), (4984, 135334), (6034, 111784), (6896, 97811), (8792, 76718), (9968, 67667), (12068, 55892), (13973, 48272), (17584, 38359), (24136, 27946)]