155778865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{967}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 213269760

約数和(自身を除く): 57490895

約数列:

[1, 5, 11, 29, 55, 101, 145, 319, 505, 967, 1111, 1595, 2929, 4835, 5555, 10637, 14645, 28043, 32219, 53185, 97667, 140215, 161095, 308473, 488335, 1074337, 1542365, 2832343, 5371685, 14161715, 31155773, 155778865]

約数ペア:

[(1, 155778865), (5, 31155773), (11, 14161715), (29, 5371685), (55, 2832343), (101, 1542365), (145, 1074337), (319, 488335), (505, 308473), (967, 161095), (1111, 140215), (1595, 97667), (2929, 53185), (4835, 32219), (5555, 28043), (10637, 14645)]