2019771656

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 4374881280

約数和(自身を除く): 2355109624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 223, 394, 446, 788, 821, 892, 1379, 1561, 1576, 1642, 1784, 2758, 3122, 3284, 5516, 5747, 6244, 6568, 11032, 11494, 12488, 22988, 43931, 45976, 87862, 161737, 175724, 183083, 307517, 323474, 351448, 366166, 615034, 646948, 732332, 1132159, 1230068, 1281581, 1293896, 1464664, 2264318, 2460136, 2563162, 4528636, 5126324, 9057272, 10252648, 36067351, 72134702, 144269404, 252471457, 288538808, 504942914, 1009885828, 2019771656]

約数ペア:

[(1, 2019771656), (2, 1009885828), (4, 504942914), (7, 288538808), (8, 252471457), (14, 144269404), (28, 72134702), (56, 36067351), (197, 10252648), (223, 9057272), (394, 5126324), (446, 4528636), (788, 2563162), (821, 2460136), (892, 2264318), (1379, 1464664), (1561, 1293896), (1576, 1281581), (1642, 1230068), (1784, 1132159), (2758, 732332), (3122, 646948), (3284, 615034), (5516, 366166), (5747, 351448), (6244, 323474), (6568, 307517), (11032, 183083), (11494, 175724), (12488, 161737), (22988, 87862), (43931, 45976)]