161808647

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1483}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 219394560

約数和(自身を除く): 57585913

約数列:

[1, 7, 11, 13, 77, 91, 109, 143, 763, 1001, 1199, 1417, 1483, 8393, 9919, 10381, 15587, 16313, 19279, 109109, 114191, 134953, 161647, 212069, 1131529, 1484483, 1778117, 2101411, 12446819, 14709877, 23115521, 161808647]

約数ペア:

[(1, 161808647), (7, 23115521), (11, 14709877), (13, 12446819), (77, 2101411), (91, 1778117), (109, 1484483), (143, 1131529), (763, 212069), (1001, 161647), (1199, 134953), (1417, 114191), (1483, 109109), (8393, 19279), (9919, 16313), (10381, 15587)]