30100721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 38289408

約数和(自身を除く): 8188687

約数列:

[1, 7, 23, 31, 37, 161, 163, 217, 259, 713, 851, 1141, 1147, 3749, 4991, 5053, 5957, 6031, 8029, 26243, 26381, 35371, 42217, 116219, 138713, 184667, 186961, 813533, 970991, 1308727, 4300103, 30100721]

約数ペア:

[(1, 30100721), (7, 4300103), (23, 1308727), (31, 970991), (37, 813533), (161, 186961), (163, 184667), (217, 138713), (259, 116219), (713, 42217), (851, 35371), (1141, 26381), (1147, 26243), (3749, 8029), (4991, 6031), (5053, 5957)]