128218076

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 262315200

約数和(自身を除く): 134097124

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 149, 292, 298, 421, 511, 596, 842, 1022, 1043, 1684, 2044, 2086, 2947, 4172, 5894, 10877, 11788, 21754, 30733, 43508, 61466, 62729, 76139, 122932, 125458, 152278, 215131, 250916, 304556, 430262, 439103, 860524, 878206, 1756412, 4579217, 9158434, 18316868, 32054519, 64109038, 128218076]

約数ペア:

[(1, 128218076), (2, 64109038), (4, 32054519), (7, 18316868), (14, 9158434), (28, 4579217), (73, 1756412), (146, 878206), (149, 860524), (292, 439103), (298, 430262), (421, 304556), (511, 250916), (596, 215131), (842, 152278), (1022, 125458), (1043, 122932), (1684, 76139), (2044, 62729), (2086, 61466), (2947, 43508), (4172, 30733), (5894, 21754), (10877, 11788)]