155016988

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^2\times {\mathrm{823}}^1$

素因数の和:903

約数の個数: 54

約数和(自身を含む): 326474568

約数和(自身を除く): 171457580

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 823, 868, 961, 1519, 1646, 1922, 3038, 3292, 3844, 5761, 6076, 6727, 11522, 13454, 23044, 25513, 26908, 40327, 47089, 51026, 80654, 94178, 102052, 161308, 178591, 188356, 357182, 714364, 790903, 1250137, 1581806, 2500274, 3163612, 5000548, 5536321, 11072642, 22145284, 38754247, 77508494, 155016988]

約数ペア:

[(1, 155016988), (2, 77508494), (4, 38754247), (7, 22145284), (14, 11072642), (28, 5536321), (31, 5000548), (49, 3163612), (62, 2500274), (98, 1581806), (124, 1250137), (196, 790903), (217, 714364), (434, 357182), (823, 188356), (868, 178591), (961, 161308), (1519, 102052), (1646, 94178), (1922, 80654), (3038, 51026), (3292, 47089), (3844, 40327), (5761, 26908), (6076, 25513), (6727, 23044), (11522, 13454)]