256618596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1644991}}^1$

素因数の和:1645011

約数の個数: 24

約数和(自身を含む): 644836864

約数和(自身を除く): 388218268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1644991, 3289982, 4934973, 6579964, 9869946, 19739892, 21384883, 42769766, 64154649, 85539532, 128309298, 256618596]

約数ペア:

[(1, 256618596), (2, 128309298), (3, 85539532), (4, 64154649), (6, 42769766), (12, 21384883), (13, 19739892), (26, 9869946), (39, 6579964), (52, 4934973), (78, 3289982), (156, 1644991)]