81959536

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1297

約数の個数: 40

約数和(自身を含む): 165168000

約数和(自身を除く): 83208464

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 149, 248, 298, 496, 596, 1109, 1192, 2218, 2384, 4436, 4619, 8872, 9238, 17744, 18476, 34379, 36952, 68758, 73904, 137516, 165241, 275032, 330482, 550064, 660964, 1321928, 2643856, 5122471, 10244942, 20489884, 40979768, 81959536]

約数ペア:

[(1, 81959536), (2, 40979768), (4, 20489884), (8, 10244942), (16, 5122471), (31, 2643856), (62, 1321928), (124, 660964), (149, 550064), (248, 330482), (298, 275032), (496, 165241), (596, 137516), (1109, 73904), (1192, 68758), (2218, 36952), (2384, 34379), (4436, 18476), (4619, 17744), (8872, 9238)]