81862382

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 154828800

約数和(自身を除く): 72966418

約数列:

[1, 2, 7, 14, 23, 31, 46, 59, 62, 118, 139, 161, 217, 278, 322, 413, 434, 713, 826, 973, 1357, 1426, 1829, 1946, 2714, 3197, 3658, 4309, 4991, 6394, 8201, 8618, 9499, 9982, 12803, 16402, 18998, 22379, 25606, 30163, 42067, 44758, 57407, 60326, 84134, 99107, 114814, 188623, 198214, 254231, 294469, 377246, 508462, 588938, 693749, 1320361, 1387498, 1779617, 2640722, 3559234, 5847313, 11694626, 40931191, 81862382]

約数ペア:

[(1, 81862382), (2, 40931191), (7, 11694626), (14, 5847313), (23, 3559234), (31, 2640722), (46, 1779617), (59, 1387498), (62, 1320361), (118, 693749), (139, 588938), (161, 508462), (217, 377246), (278, 294469), (322, 254231), (413, 198214), (434, 188623), (713, 114814), (826, 99107), (973, 84134), (1357, 60326), (1426, 57407), (1829, 44758), (1946, 42067), (2714, 30163), (3197, 25606), (3658, 22379), (4309, 18998), (4991, 16402), (6394, 12803), (8201, 9982), (8618, 9499)]