2051299696

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{19387}}^1$

素因数の和:19801

約数の個数: 40

約数和(自身を含む): 4219216560

約数和(自身を除く): 2167916864

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 389, 778, 1556, 3112, 6224, 6613, 13226, 19387, 26452, 38774, 52904, 77548, 105808, 155096, 310192, 329579, 659158, 1318316, 2636632, 5273264, 7541543, 15083086, 30166172, 60332344, 120664688, 128206231, 256412462, 512824924, 1025649848, 2051299696]

約数ペア:

[(1, 2051299696), (2, 1025649848), (4, 512824924), (8, 256412462), (16, 128206231), (17, 120664688), (34, 60332344), (68, 30166172), (136, 15083086), (272, 7541543), (389, 5273264), (778, 2636632), (1556, 1318316), (3112, 659158), (6224, 329579), (6613, 310192), (13226, 155096), (19387, 105808), (26452, 77548), (38774, 52904)]