1738642178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{857}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 3279564288

約数和(自身を除く): 1540922110

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 157, 182, 314, 497, 857, 923, 994, 1099, 1714, 1846, 2041, 2198, 4082, 5999, 6461, 11141, 11147, 11998, 12922, 14287, 22282, 22294, 28574, 60847, 77987, 78029, 121694, 134549, 144911, 155974, 156058, 269098, 289822, 425929, 791011, 851858, 941843, 1014377, 1582022, 1749137, 1883686, 2028754, 3498274, 5537077, 9552979, 11074154, 12243959, 19105958, 24487918, 66870853, 124188727, 133741706, 248377454, 869321089, 1738642178]

約数ペア:

[(1, 1738642178), (2, 869321089), (7, 248377454), (13, 133741706), (14, 124188727), (26, 66870853), (71, 24487918), (91, 19105958), (142, 12243959), (157, 11074154), (182, 9552979), (314, 5537077), (497, 3498274), (857, 2028754), (923, 1883686), (994, 1749137), (1099, 1582022), (1714, 1014377), (1846, 941843), (2041, 851858), (2198, 791011), (4082, 425929), (5999, 289822), (6461, 269098), (11141, 156058), (11147, 155974), (11998, 144911), (12922, 134549), (14287, 121694), (22282, 78029), (22294, 77987), (28574, 60847)]