161775185

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 233986368

約数和(自身を除く): 72211183

約数列:

[1, 5, 11, 13, 55, 65, 67, 121, 143, 307, 335, 605, 715, 737, 871, 1535, 1573, 3377, 3685, 3991, 4355, 7865, 8107, 9581, 16885, 19955, 20569, 37147, 40535, 43901, 47905, 102845, 105391, 185735, 219505, 226259, 267397, 482911, 526955, 1131295, 1336985, 2414555, 2488849, 2941367, 12444245, 14706835, 32355037, 161775185]

約数ペア:

[(1, 161775185), (5, 32355037), (11, 14706835), (13, 12444245), (55, 2941367), (65, 2488849), (67, 2414555), (121, 1336985), (143, 1131295), (307, 526955), (335, 482911), (605, 267397), (715, 226259), (737, 219505), (871, 185735), (1535, 105391), (1573, 102845), (3377, 47905), (3685, 43901), (3991, 40535), (4355, 37147), (7865, 20569), (8107, 19955), (9581, 16885)]