155610917

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 208373760

約数和(自身を除く): 52762843

約数列:

[1, 7, 11, 31, 49, 67, 77, 139, 217, 341, 469, 539, 737, 973, 1519, 1529, 2077, 2387, 3283, 4309, 5159, 6811, 9313, 10703, 14539, 16709, 22847, 30163, 36113, 47399, 65191, 74921, 101773, 102443, 159929, 211141, 288703, 331793, 456337, 717101, 1119503, 2020921, 2322551, 3175733, 5019707, 14146447, 22230131, 155610917]

約数ペア:

[(1, 155610917), (7, 22230131), (11, 14146447), (31, 5019707), (49, 3175733), (67, 2322551), (77, 2020921), (139, 1119503), (217, 717101), (341, 456337), (469, 331793), (539, 288703), (737, 211141), (973, 159929), (1519, 102443), (1529, 101773), (2077, 74921), (2387, 65191), (3283, 47399), (4309, 36113), (5159, 30163), (6811, 22847), (9313, 16709), (10703, 14539)]