163042990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 339655680

約数和(自身を除く): 176612690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 181, 190, 209, 362, 418, 431, 862, 905, 1045, 1810, 1991, 2090, 2155, 3439, 3982, 4310, 4741, 6878, 8189, 9482, 9955, 16378, 17195, 19910, 23705, 34390, 37829, 40945, 47410, 75658, 78011, 81890, 90079, 156022, 180158, 189145, 378290, 390055, 450395, 780110, 858121, 900790, 1482209, 1716242, 2964418, 4290605, 7411045, 8581210, 14822090, 16304299, 32608598, 81521495, 163042990]

約数ペア:

[(1, 163042990), (2, 81521495), (5, 32608598), (10, 16304299), (11, 14822090), (19, 8581210), (22, 7411045), (38, 4290605), (55, 2964418), (95, 1716242), (110, 1482209), (181, 900790), (190, 858121), (209, 780110), (362, 450395), (418, 390055), (431, 378290), (862, 189145), (905, 180158), (1045, 156022), (1810, 90079), (1991, 81890), (2090, 78011), (2155, 75658), (3439, 47410), (3982, 40945), (4310, 37829), (4741, 34390), (6878, 23705), (8189, 19910), (9482, 17195), (9955, 16378)]