81301948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 175863744

約数和(自身を除く): 94561796

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 401, 557, 802, 1114, 1604, 2228, 2807, 3899, 5213, 5614, 7241, 7798, 10426, 11228, 14482, 15596, 20852, 28964, 36491, 50687, 72982, 101374, 145964, 202748, 223357, 446714, 893428, 1563499, 2903641, 3126998, 5807282, 6253996, 11614564, 20325487, 40650974, 81301948]

約数ペア:

[(1, 81301948), (2, 40650974), (4, 20325487), (7, 11614564), (13, 6253996), (14, 5807282), (26, 3126998), (28, 2903641), (52, 1563499), (91, 893428), (182, 446714), (364, 223357), (401, 202748), (557, 145964), (802, 101374), (1114, 72982), (1604, 50687), (2228, 36491), (2807, 28964), (3899, 20852), (5213, 15596), (5614, 14482), (7241, 11228), (7798, 10426)]