128819646

素因数分解:

$2^1\times 3^5\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1079

約数の個数: 48

約数和(自身を含む): 290607408

約数和(自身を除く): 161787762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 401, 486, 661, 802, 1203, 1322, 1983, 2406, 3609, 3966, 5949, 7218, 10827, 11898, 17847, 21654, 32481, 35694, 53541, 64962, 97443, 107082, 160623, 194886, 265061, 321246, 530122, 795183, 1590366, 2385549, 4771098, 7156647, 14313294, 21469941, 42939882, 64409823, 128819646]

約数ペア:

[(1, 128819646), (2, 64409823), (3, 42939882), (6, 21469941), (9, 14313294), (18, 7156647), (27, 4771098), (54, 2385549), (81, 1590366), (162, 795183), (243, 530122), (401, 321246), (486, 265061), (661, 194886), (802, 160623), (1203, 107082), (1322, 97443), (1983, 64962), (2406, 53541), (3609, 35694), (3966, 32481), (5949, 21654), (7218, 17847), (10827, 11898)]