1220778356

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{49043}}^1$

素因数の和:49188

約数の個数: 36

約数和(自身を含む): 2504775168

約数和(自身を除く): 1283996812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 889, 1778, 3556, 6223, 12446, 24892, 49043, 98086, 196172, 343301, 686602, 1373204, 2403107, 4806214, 6228461, 9612428, 12456922, 24913844, 43599227, 87198454, 174396908, 305194589, 610389178, 1220778356]

約数ペア:

[(1, 1220778356), (2, 610389178), (4, 305194589), (7, 174396908), (14, 87198454), (28, 43599227), (49, 24913844), (98, 12456922), (127, 9612428), (196, 6228461), (254, 4806214), (508, 2403107), (889, 1373204), (1778, 686602), (3556, 343301), (6223, 196172), (12446, 98086), (24892, 49043)]