191837191

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 241998848

約数和(自身を除く): 50161657

約数列:

[1, 7, 13, 91, 97, 103, 211, 679, 721, 1261, 1339, 1477, 2743, 8827, 9373, 9991, 19201, 20467, 21733, 69937, 129883, 143269, 152131, 266071, 282529, 909181, 1862497, 1977703, 2108101, 14756707, 27405313, 191837191]

約数ペア:

[(1, 191837191), (7, 27405313), (13, 14756707), (91, 2108101), (97, 1977703), (103, 1862497), (211, 909181), (679, 282529), (721, 266071), (1261, 152131), (1339, 143269), (1477, 129883), (2743, 69937), (8827, 21733), (9373, 20467), (9991, 19201)]