163815421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 210325248

約数和(自身を除く): 46509827

約数列:

[1, 7, 11, 53, 77, 137, 293, 371, 583, 959, 1507, 2051, 3223, 4081, 7261, 10549, 15529, 22561, 40141, 50827, 79871, 108703, 170819, 280987, 441551, 559097, 1195733, 2127473, 3090857, 14892311, 23402203, 163815421]

約数ペア:

[(1, 163815421), (7, 23402203), (11, 14892311), (53, 3090857), (77, 2127473), (137, 1195733), (293, 559097), (371, 441551), (583, 280987), (959, 170819), (1507, 108703), (2051, 79871), (3223, 50827), (4081, 40141), (7261, 22561), (10549, 15529)]