205429132688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3181}}^1\times {\mathrm{310481}}^1$

素因数の和:313683

約数の個数: 40

約数和(自身を含む): 428771916216

約数和(自身を除く): 223342783528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3181, 6362, 12724, 25448, 41353, 50896, 82706, 165412, 310481, 330824, 620962, 661648, 1241924, 2483848, 4036253, 4967696, 8072506, 16145012, 32290024, 64580048, 987640061, 1975280122, 3950560244, 7901120488, 12839320793, 15802240976, 25678641586, 51357283172, 102714566344, 205429132688]

約数ペア:

[(1, 205429132688), (2, 102714566344), (4, 51357283172), (8, 25678641586), (13, 15802240976), (16, 12839320793), (26, 7901120488), (52, 3950560244), (104, 1975280122), (208, 987640061), (3181, 64580048), (6362, 32290024), (12724, 16145012), (25448, 8072506), (41353, 4967696), (50896, 4036253), (82706, 2483848), (165412, 1241924), (310481, 661648), (330824, 620962)]