78845564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 165666816

約数和(自身を除く): 86821252

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 191, 322, 382, 641, 644, 764, 1282, 1337, 2564, 2674, 4393, 4487, 5348, 8786, 8974, 14743, 17572, 17948, 29486, 30751, 58972, 61502, 103201, 122431, 123004, 206402, 244862, 412804, 489724, 857017, 1714034, 2815913, 3428068, 5631826, 11263652, 19711391, 39422782, 78845564]

約数ペア:

[(1, 78845564), (2, 39422782), (4, 19711391), (7, 11263652), (14, 5631826), (23, 3428068), (28, 2815913), (46, 1714034), (92, 857017), (161, 489724), (191, 412804), (322, 244862), (382, 206402), (641, 123004), (644, 122431), (764, 103201), (1282, 61502), (1337, 58972), (2564, 30751), (2674, 29486), (4393, 17948), (4487, 17572), (5348, 14743), (8786, 8974)]