25378997

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 30022272

約数和(自身を除く): 4643275

約数列:

[1, 7, 53, 67, 371, 469, 1021, 3551, 7147, 24857, 54113, 68407, 378791, 478849, 3625571, 25378997]

約数ペア:

[(1, 25378997), (7, 3625571), (53, 478849), (67, 378791), (371, 68407), (469, 54113), (1021, 24857), (3551, 7147)]