81666858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 202067712

約数和(自身を除く): 120400854

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 373, 401, 546, 746, 802, 1119, 1203, 2238, 2406, 2611, 2807, 4849, 5213, 5222, 5614, 7833, 8421, 9698, 10426, 14547, 15639, 15666, 16842, 29094, 31278, 33943, 36491, 67886, 72982, 101829, 109473, 149573, 203658, 218946, 299146, 448719, 897438, 1047011, 1944449, 2094022, 3141033, 3888898, 5833347, 6282066, 11666694, 13611143, 27222286, 40833429, 81666858]

約数ペア:

[(1, 81666858), (2, 40833429), (3, 27222286), (6, 13611143), (7, 11666694), (13, 6282066), (14, 5833347), (21, 3888898), (26, 3141033), (39, 2094022), (42, 1944449), (78, 1047011), (91, 897438), (182, 448719), (273, 299146), (373, 218946), (401, 203658), (546, 149573), (746, 109473), (802, 101829), (1119, 72982), (1203, 67886), (2238, 36491), (2406, 33943), (2611, 31278), (2807, 29094), (4849, 16842), (5213, 15666), (5222, 15639), (5614, 14547), (7833, 10426), (8421, 9698)]