16649047548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{405323}}^1$

素因数の和:405503

約数の個数: 72

約数和(自身を含む): 48392443008

約数和(自身を除く): 31743395460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 489, 652, 978, 1141, 1467, 1956, 2282, 2934, 3423, 4564, 5868, 6846, 10269, 13692, 20538, 41076, 405323, 810646, 1215969, 1621292, 2431938, 2837261, 3647907, 4863876, 5674522, 7295814, 8511783, 11349044, 14591628, 17023566, 25535349, 34047132, 51070698, 66067649, 102141396, 132135298, 198202947, 264270596, 396405894, 462473543, 594608841, 792811788, 924947086, 1189217682, 1387420629, 1849894172, 2378435364, 2774841258, 4162261887, 5549682516, 8324523774, 16649047548]

約数ペア:

[(1, 16649047548), (2, 8324523774), (3, 5549682516), (4, 4162261887), (6, 2774841258), (7, 2378435364), (9, 1849894172), (12, 1387420629), (14, 1189217682), (18, 924947086), (21, 792811788), (28, 594608841), (36, 462473543), (42, 396405894), (63, 264270596), (84, 198202947), (126, 132135298), (163, 102141396), (252, 66067649), (326, 51070698), (489, 34047132), (652, 25535349), (978, 17023566), (1141, 14591628), (1467, 11349044), (1956, 8511783), (2282, 7295814), (2934, 5674522), (3423, 4863876), (4564, 3647907), (5868, 2837261), (6846, 2431938), (10269, 1621292), (13692, 1215969), (20538, 810646), (41076, 405323)]