131445328

素因数分解:

$2^4\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2801}}^1$

素因数の和:3235

約数の個数: 40

約数和(自身を含む): 291856320

約数和(自身を除く): 160410992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 419, 838, 1676, 2801, 2933, 3352, 5602, 5866, 6704, 11204, 11732, 19607, 22408, 23464, 39214, 44816, 46928, 78428, 156856, 313712, 1173619, 2347238, 4694476, 8215333, 9388952, 16430666, 18777904, 32861332, 65722664, 131445328]

約数ペア:

[(1, 131445328), (2, 65722664), (4, 32861332), (7, 18777904), (8, 16430666), (14, 9388952), (16, 8215333), (28, 4694476), (56, 2347238), (112, 1173619), (419, 313712), (838, 156856), (1676, 78428), (2801, 46928), (2933, 44816), (3352, 39214), (5602, 23464), (5866, 22408), (6704, 19607), (11204, 11732)]