204558431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 266734080

約数和(自身を除く): 62175649

約数列:

[1, 7, 11, 29, 77, 101, 203, 319, 707, 907, 1111, 2233, 2929, 6349, 7777, 9977, 20503, 26303, 32219, 69839, 91607, 184121, 225533, 289333, 641249, 1007677, 2025331, 2656603, 7053739, 18596221, 29222633, 204558431]

約数ペア:

[(1, 204558431), (7, 29222633), (11, 18596221), (29, 7053739), (77, 2656603), (101, 2025331), (203, 1007677), (319, 641249), (707, 289333), (907, 225533), (1111, 184121), (2233, 91607), (2929, 69839), (6349, 32219), (7777, 26303), (9977, 20503)]