201121558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 335612160

約数和(自身を除く): 134490602

約数列:

[1, 2, 11, 22, 71, 142, 331, 389, 662, 778, 781, 1562, 3641, 4279, 7282, 8558, 23501, 27619, 47002, 55238, 128759, 257518, 258511, 303809, 517022, 607618, 1416349, 2832698, 9141889, 18283778, 100560779, 201121558]

約数ペア:

[(1, 201121558), (2, 100560779), (11, 18283778), (22, 9141889), (71, 2832698), (142, 1416349), (331, 607618), (389, 517022), (662, 303809), (778, 258511), (781, 257518), (1562, 128759), (3641, 55238), (4279, 47002), (7282, 27619), (8558, 23501)]