161623553

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 222953472

約数和(自身を除く): 61329919

約数列:

[1, 7, 13, 23, 31, 47, 53, 91, 161, 217, 299, 329, 371, 403, 611, 689, 713, 1081, 1219, 1457, 1643, 2093, 2491, 2821, 4277, 4823, 4991, 7567, 8533, 9269, 10199, 11501, 14053, 15847, 17437, 18941, 21359, 32383, 33511, 37789, 57293, 64883, 77221, 98371, 110929, 132587, 149513, 226681, 234577, 264523, 401051, 435643, 491257, 540547, 744809, 1003873, 1776083, 3049501, 3438799, 5213663, 7027111, 12432581, 23089079, 161623553]

約数ペア:

[(1, 161623553), (7, 23089079), (13, 12432581), (23, 7027111), (31, 5213663), (47, 3438799), (53, 3049501), (91, 1776083), (161, 1003873), (217, 744809), (299, 540547), (329, 491257), (371, 435643), (403, 401051), (611, 264523), (689, 234577), (713, 226681), (1081, 149513), (1219, 132587), (1457, 110929), (1643, 98371), (2093, 77221), (2491, 64883), (2821, 57293), (4277, 37789), (4823, 33511), (4991, 32383), (7567, 21359), (8533, 18941), (9269, 17437), (10199, 15847), (11501, 14053)]