31149916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 68124672

約数和(自身を除く): 36974756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 2111, 3689, 4222, 7378, 8444, 14756, 14777, 29554, 35887, 59108, 65441, 71774, 130882, 143548, 251209, 261764, 458087, 502418, 916174, 1004836, 1112497, 1832348, 2224994, 4449988, 7787479, 15574958, 31149916]

約数ペア:

[(1, 31149916), (2, 15574958), (4, 7787479), (7, 4449988), (14, 2224994), (17, 1832348), (28, 1112497), (31, 1004836), (34, 916174), (62, 502418), (68, 458087), (119, 261764), (124, 251209), (217, 143548), (238, 130882), (434, 71774), (476, 65441), (527, 59108), (868, 35887), (1054, 29554), (2108, 14777), (2111, 14756), (3689, 8444), (4222, 7378)]