81388804

素因数分解:

$2^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{5003}}^1$

素因数の和:5104

約数の個数: 36

約数和(自身を含む): 167714064

約数和(自身を除く): 86325260

約数列:

[1, 2, 4, 7, 14, 28, 49, 83, 98, 166, 196, 332, 581, 1162, 2324, 4067, 5003, 8134, 10006, 16268, 20012, 35021, 70042, 140084, 245147, 415249, 490294, 830498, 980588, 1660996, 2906743, 5813486, 11626972, 20347201, 40694402, 81388804]

約数ペア:

[(1, 81388804), (2, 40694402), (4, 20347201), (7, 11626972), (14, 5813486), (28, 2906743), (49, 1660996), (83, 980588), (98, 830498), (166, 490294), (196, 415249), (332, 245147), (581, 140084), (1162, 70042), (2324, 35021), (4067, 20012), (5003, 16268), (8134, 10006)]