128231486

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 206452800

約数和(自身を除く): 78221314

約数列:

[1, 2, 23, 46, 53, 106, 149, 298, 353, 706, 1219, 2438, 3427, 6854, 7897, 8119, 15794, 16238, 18709, 37418, 52597, 105194, 181631, 363262, 430307, 860614, 1209731, 2419462, 2787641, 5575282, 64115743, 128231486]

約数ペア:

[(1, 128231486), (2, 64115743), (23, 5575282), (46, 2787641), (53, 2419462), (106, 1209731), (149, 860614), (298, 430307), (353, 363262), (706, 181631), (1219, 105194), (2438, 52597), (3427, 37418), (6854, 18709), (7897, 16238), (8119, 15794)]