638647548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1741}}^1$

素因数の和:2163

約数の個数: 96

約数和(自身を含む): 1863633408

約数和(自身を除く): 1224985860

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 397, 462, 794, 924, 1191, 1588, 1741, 2382, 2779, 3482, 4367, 4764, 5223, 5558, 6964, 8337, 8734, 10446, 11116, 12187, 13101, 16674, 17468, 19151, 20892, 24374, 26202, 30569, 33348, 36561, 38302, 48748, 52404, 57453, 61138, 73122, 76604, 91707, 114906, 122276, 134057, 146244, 183414, 229812, 268114, 366828, 402171, 536228, 691177, 804342, 1382354, 1608684, 2073531, 2764708, 4147062, 4838239, 7602947, 8294124, 9676478, 14514717, 15205894, 19352956, 22808841, 29029434, 30411788, 45617682, 53220629, 58058868, 91235364, 106441258, 159661887, 212882516, 319323774, 638647548]

約数ペア:

[(1, 638647548), (2, 319323774), (3, 212882516), (4, 159661887), (6, 106441258), (7, 91235364), (11, 58058868), (12, 53220629), (14, 45617682), (21, 30411788), (22, 29029434), (28, 22808841), (33, 19352956), (42, 15205894), (44, 14514717), (66, 9676478), (77, 8294124), (84, 7602947), (132, 4838239), (154, 4147062), (231, 2764708), (308, 2073531), (397, 1608684), (462, 1382354), (794, 804342), (924, 691177), (1191, 536228), (1588, 402171), (1741, 366828), (2382, 268114), (2779, 229812), (3482, 183414), (4367, 146244), (4764, 134057), (5223, 122276), (5558, 114906), (6964, 91707), (8337, 76604), (8734, 73122), (10446, 61138), (11116, 57453), (12187, 52404), (13101, 48748), (16674, 38302), (17468, 36561), (19151, 33348), (20892, 30569), (24374, 26202)]