81402566

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2503}}^1$

素因数の和:2636

約数の個数: 32

約数和(自身を含む): 147115008

約数和(自身を除く): 65712442

約数列:

[1, 2, 7, 14, 23, 46, 101, 161, 202, 322, 707, 1414, 2323, 2503, 4646, 5006, 16261, 17521, 32522, 35042, 57569, 115138, 252803, 402983, 505606, 805966, 1769621, 3539242, 5814469, 11628938, 40701283, 81402566]

約数ペア:

[(1, 81402566), (2, 40701283), (7, 11628938), (14, 5814469), (23, 3539242), (46, 1769621), (101, 805966), (161, 505606), (202, 402983), (322, 252803), (707, 115138), (1414, 57569), (2323, 35042), (2503, 32522), (4646, 17521), (5006, 16261)]